Merge "Fix some issues reported by Valgrind"
diff --git a/Android.mk b/Android.mk
index cf3a9e7..f3ab3c1 100644
--- a/Android.mk
+++ b/Android.mk
@@ -341,56 +341,6 @@
 
 endif  # art_test_bother
 
-########################################################################
-# oat-target and oat-target-sync rules
-
-OAT_TARGET_RULES :=
-
-# $(1): input jar or apk target location
-define declare-oat-target-target
-OUT_OAT_FILE := $(PRODUCT_OUT)/$(basename $(1)).odex
-
-ifeq ($(ONE_SHOT_MAKEFILE),)
-# ONE_SHOT_MAKEFILE is empty for a top level build and we don't want
-# to define the oat-target-* rules there because they will conflict
-# with the build/core/dex_preopt.mk defined rules.
-.PHONY: oat-target-$(1)
-oat-target-$(1):
-
-else
-.PHONY: oat-target-$(1)
-oat-target-$(1): $$(OUT_OAT_FILE)
-
-$$(OUT_OAT_FILE): $(PRODUCT_OUT)/$(1) $(DEFAULT_DEX_PREOPT_BUILT_IMAGE) $(DEX2OAT_DEPENDENCY)
-	@mkdir -p $$(dir $$@)
-	$(DEX2OAT) --runtime-arg -Xms$(DEX2OAT_XMS) --runtime-arg -Xmx$(DEX2OAT_XMX) \
-		--boot-image=$(DEFAULT_DEX_PREOPT_BUILT_IMAGE) --dex-file=$(PRODUCT_OUT)/$(1) \
-		--dex-location=/$(1) --oat-file=$$@ \
-		--instruction-set=$(DEX2OAT_TARGET_ARCH) \
-		--instruction-set-variant=$(DEX2OAT_TARGET_CPU_VARIANT) \
-		--instruction-set-features=$(DEX2OAT_TARGET_INSTRUCTION_SET_FEATURES) \
-		--android-root=$(PRODUCT_OUT)/system --include-patch-information \
-		--runtime-arg -Xnorelocate
-
-endif
-
-OAT_TARGET_RULES += oat-target-$(1)
-endef
-
-$(foreach file,\
-  $(filter-out\
-    $(addprefix $(TARGET_OUT_JAVA_LIBRARIES)/,$(addsuffix .jar,$(LIBART_TARGET_BOOT_JARS))),\
-    $(wildcard $(TARGET_OUT_APPS)/*.apk) $(wildcard $(TARGET_OUT_JAVA_LIBRARIES)/*.jar)),\
-  $(eval $(call declare-oat-target-target,$(subst $(PRODUCT_OUT)/,,$(file)))))
-
-.PHONY: oat-target
-oat-target: $(ART_TARGET_DEPENDENCIES) $(DEFAULT_DEX_PREOPT_INSTALLED_IMAGE) $(OAT_TARGET_RULES)
-
-.PHONY: oat-target-sync
-oat-target-sync: oat-target
-	$(TEST_ART_ADB_ROOT_AND_REMOUNT)
-	adb sync
-
 ####################################################################################################
 # Fake packages to ensure generation of libopenjdkd when one builds with mm/mmm/mmma.
 #
diff --git a/compiler/optimizing/instruction_simplifier.cc b/compiler/optimizing/instruction_simplifier.cc
index 439e3b6..dbafb0b 100644
--- a/compiler/optimizing/instruction_simplifier.cc
+++ b/compiler/optimizing/instruction_simplifier.cc
@@ -1843,11 +1843,11 @@
   // so create the HArrayLength, HBoundsCheck and HArrayGet.
   HArrayLength* length = new (arena) HArrayLength(str, dex_pc, /* is_string_length */ true);
   invoke->GetBlock()->InsertInstructionBefore(length, invoke);
-  HBoundsCheck* bounds_check =
-      new (arena) HBoundsCheck(index, length, dex_pc, invoke->GetDexMethodIndex());
+  HBoundsCheck* bounds_check = new (arena) HBoundsCheck(
+      index, length, dex_pc, invoke->GetDexMethodIndex());
   invoke->GetBlock()->InsertInstructionBefore(bounds_check, invoke);
-  HArrayGet* array_get =
-      new (arena) HArrayGet(str, index, Primitive::kPrimChar, dex_pc, /* is_string_char_at */ true);
+  HArrayGet* array_get = new (arena) HArrayGet(
+      str, bounds_check, Primitive::kPrimChar, dex_pc, /* is_string_char_at */ true);
   invoke->GetBlock()->ReplaceAndRemoveInstructionWith(invoke, array_get);
   bounds_check->CopyEnvironmentFrom(invoke->GetEnvironment());
   GetGraph()->SetHasBoundsChecks(true);
diff --git a/runtime/gc/collector/concurrent_copying.cc b/runtime/gc/collector/concurrent_copying.cc
index cebb566..e1117e6 100644
--- a/runtime/gc/collector/concurrent_copying.cc
+++ b/runtime/gc/collector/concurrent_copying.cc
@@ -58,7 +58,7 @@
                                      bool measure_read_barrier_slow_path)
     : GarbageCollector(heap,
                        name_prefix + (name_prefix.empty() ? "" : " ") +
-                       "concurrent copying + mark sweep"),
+                       "concurrent copying"),
       region_space_(nullptr), gc_barrier_(new Barrier(0)),
       gc_mark_stack_(accounting::ObjectStack::Create("concurrent copying gc mark stack",
                                                      kDefaultGcMarkStackSize,
diff --git a/runtime/gc/collector/semi_space.cc b/runtime/gc/collector/semi_space.cc
index a815b83..f2aa5a7 100644
--- a/runtime/gc/collector/semi_space.cc
+++ b/runtime/gc/collector/semi_space.cc
@@ -89,7 +89,7 @@
 
 SemiSpace::SemiSpace(Heap* heap, bool generational, const std::string& name_prefix)
     : GarbageCollector(heap,
-                       name_prefix + (name_prefix.empty() ? "" : " ") + "marksweep + semispace"),
+                       name_prefix + (name_prefix.empty() ? "" : " ") + "semispace"),
       mark_stack_(nullptr),
       is_large_object_space_immune_(false),
       to_space_(nullptr),
diff --git a/runtime/interpreter/mterp/arm64/footer.S b/runtime/interpreter/mterp/arm64/footer.S
index 6ffbd3f..388fc8d 100644
--- a/runtime/interpreter/mterp/arm64/footer.S
+++ b/runtime/interpreter/mterp/arm64/footer.S
@@ -267,13 +267,7 @@
     b MterpDone
 MterpReturn:
     ldr     x2, [xFP, #OFF_FP_RESULT_REGISTER]
-    ldr     lr, [xSELF, #THREAD_FLAGS_OFFSET]
     str     x0, [x2]
-    mov     x0, xSELF
-    ands    lr, lr, #THREAD_SUSPEND_OR_CHECKPOINT_REQUEST
-    b.eq    check2
-    bl      MterpSuspendCheck                       // (self)
-check2:
     mov     x0, #1                                  // signal return to caller.
 MterpDone:
 /*
diff --git a/runtime/interpreter/mterp/mips64/footer.S b/runtime/interpreter/mterp/mips64/footer.S
index 64772c8..312fa9c 100644
--- a/runtime/interpreter/mterp/mips64/footer.S
+++ b/runtime/interpreter/mterp/mips64/footer.S
@@ -222,13 +222,7 @@
  */
 MterpReturn:
     ld      a2, OFF_FP_RESULT_REGISTER(rFP)
-    lw      ra, THREAD_FLAGS_OFFSET(rSELF)
     sd      a0, 0(a2)
-    move    a0, rSELF
-    and     ra, ra, THREAD_SUSPEND_OR_CHECKPOINT_REQUEST
-    beqzc   ra, check2
-    jal     MterpSuspendCheck                       # (self)
-check2:
     li      v0, 1                                   # signal return to caller.
 MterpDone:
 /*
diff --git a/runtime/interpreter/mterp/out/mterp_arm64.S b/runtime/interpreter/mterp/out/mterp_arm64.S
index 34d99a8..681790d 100644
--- a/runtime/interpreter/mterp/out/mterp_arm64.S
+++ b/runtime/interpreter/mterp/out/mterp_arm64.S
@@ -7246,13 +7246,7 @@
     b MterpDone
 MterpReturn:
     ldr     x2, [xFP, #OFF_FP_RESULT_REGISTER]
-    ldr     lr, [xSELF, #THREAD_FLAGS_OFFSET]
     str     x0, [x2]
-    mov     x0, xSELF
-    ands    lr, lr, #THREAD_SUSPEND_OR_CHECKPOINT_REQUEST
-    b.eq    check2
-    bl      MterpSuspendCheck                       // (self)
-check2:
     mov     x0, #1                                  // signal return to caller.
 MterpDone:
 /*
diff --git a/runtime/interpreter/mterp/out/mterp_mips64.S b/runtime/interpreter/mterp/out/mterp_mips64.S
index 037787f..bf09666 100644
--- a/runtime/interpreter/mterp/out/mterp_mips64.S
+++ b/runtime/interpreter/mterp/out/mterp_mips64.S
@@ -12293,13 +12293,7 @@
  */
 MterpReturn:
     ld      a2, OFF_FP_RESULT_REGISTER(rFP)
-    lw      ra, THREAD_FLAGS_OFFSET(rSELF)
     sd      a0, 0(a2)
-    move    a0, rSELF
-    and     ra, ra, THREAD_SUSPEND_OR_CHECKPOINT_REQUEST
-    beqzc   ra, check2
-    jal     MterpSuspendCheck                       # (self)
-check2:
     li      v0, 1                                   # signal return to caller.
 MterpDone:
 /*
diff --git a/runtime/openjdkjvmti/Android.bp b/runtime/openjdkjvmti/Android.bp
index 6105fec..d486380 100644
--- a/runtime/openjdkjvmti/Android.bp
+++ b/runtime/openjdkjvmti/Android.bp
@@ -24,6 +24,7 @@
            "ti_field.cc",
            "ti_heap.cc",
            "ti_method.cc",
+           "ti_object.cc",
            "ti_stack.cc",
            "ti_redefine.cc",
            "transform.cc"],
diff --git a/runtime/openjdkjvmti/OpenjdkJvmTi.cc b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
index faaeff3..c472b54 100644
--- a/runtime/openjdkjvmti/OpenjdkJvmTi.cc
+++ b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
@@ -50,6 +50,7 @@
 #include "ti_field.h"
 #include "ti_heap.h"
 #include "ti_method.h"
+#include "ti_object.h"
 #include "ti_redefine.h"
 #include "ti_stack.h"
 #include "transform.h"
@@ -598,7 +599,7 @@
   static jvmtiError IsModifiableClass(jvmtiEnv* env,
                                       jclass klass,
                                       jboolean* is_modifiable_class_ptr) {
-    return ERR(NOT_IMPLEMENTED);
+    return Redefiner::IsModifiableClass(env, klass, is_modifiable_class_ptr);
   }
 
   static jvmtiError GetClassLoader(jvmtiEnv* env, jclass klass, jobject* classloader_ptr) {
@@ -622,11 +623,11 @@
   }
 
   static jvmtiError GetObjectSize(jvmtiEnv* env, jobject object, jlong* size_ptr) {
-    return ERR(NOT_IMPLEMENTED);
+    return ObjectUtil::GetObjectSize(env, object, size_ptr);
   }
 
   static jvmtiError GetObjectHashCode(jvmtiEnv* env, jobject object, jint* hash_code_ptr) {
-    return ERR(NOT_IMPLEMENTED);
+    return ObjectUtil::GetObjectHashCode(env, object, hash_code_ptr);
   }
 
   static jvmtiError GetObjectMonitorUsage(jvmtiEnv* env,
@@ -688,13 +689,13 @@
   static jvmtiError GetMaxLocals(jvmtiEnv* env,
                                  jmethodID method,
                                  jint* max_ptr) {
-    return ERR(NOT_IMPLEMENTED);
+    return MethodUtil::GetMaxLocals(env, method, max_ptr);
   }
 
   static jvmtiError GetArgumentsSize(jvmtiEnv* env,
                                      jmethodID method,
                                      jint* size_ptr) {
-    return ERR(NOT_IMPLEMENTED);
+    return MethodUtil::GetArgumentsSize(env, method, size_ptr);
   }
 
   static jvmtiError GetLineNumberTable(jvmtiEnv* env,
@@ -708,7 +709,7 @@
                                       jmethodID method,
                                       jlocation* start_location_ptr,
                                       jlocation* end_location_ptr) {
-    return ERR(NOT_IMPLEMENTED);
+    return MethodUtil::GetMethodLocation(env, method, start_location_ptr, end_location_ptr);
   }
 
   static jvmtiError GetLocalVariableTable(jvmtiEnv* env,
@@ -726,15 +727,15 @@
   }
 
   static jvmtiError IsMethodNative(jvmtiEnv* env, jmethodID method, jboolean* is_native_ptr) {
-    return ERR(NOT_IMPLEMENTED);
+    return MethodUtil::IsMethodNative(env, method, is_native_ptr);
   }
 
   static jvmtiError IsMethodSynthetic(jvmtiEnv* env, jmethodID method, jboolean* is_synthetic_ptr) {
-    return ERR(NOT_IMPLEMENTED);
+    return MethodUtil::IsMethodSynthetic(env, method, is_synthetic_ptr);
   }
 
   static jvmtiError IsMethodObsolete(jvmtiEnv* env, jmethodID method, jboolean* is_obsolete_ptr) {
-    return ERR(NOT_IMPLEMENTED);
+    return MethodUtil::IsMethodObsolete(env, method, is_obsolete_ptr);
   }
 
   static jvmtiError SetNativeMethodPrefix(jvmtiEnv* env, const char* prefix) {
@@ -839,19 +840,28 @@
   static jvmtiError GetExtensionFunctions(jvmtiEnv* env,
                                           jint* extension_count_ptr,
                                           jvmtiExtensionFunctionInfo** extensions) {
-    return ERR(NOT_IMPLEMENTED);
+    // We do not have any extension functions.
+    *extension_count_ptr = 0;
+    *extensions = nullptr;
+
+    return ERR(NONE);
   }
 
   static jvmtiError GetExtensionEvents(jvmtiEnv* env,
                                        jint* extension_count_ptr,
                                        jvmtiExtensionEventInfo** extensions) {
-    return ERR(NOT_IMPLEMENTED);
+    // We do not have any extension events.
+    *extension_count_ptr = 0;
+    *extensions = nullptr;
+
+    return ERR(NONE);
   }
 
   static jvmtiError SetExtensionEventCallback(jvmtiEnv* env,
                                               jint extension_event_index,
                                               jvmtiExtensionEvent callback) {
-    return ERR(NOT_IMPLEMENTED);
+    // We do not have any extension events, so any call is illegal.
+    return ERR(ILLEGAL_ARGUMENT);
   }
 
   static jvmtiError GetPotentialCapabilities(jvmtiEnv* env, jvmtiCapabilities* capabilities_ptr) {
@@ -1180,7 +1190,7 @@
                                     reinterpret_cast<uint8_t*>(dex_file),
                                     &error);
     if (ret != OK) {
-      LOG(ERROR) << "FAILURE TO REDEFINE " << error;
+      LOG(WARNING) << "FAILURE TO REDEFINE " << error;
     }
     return ret;
   }
diff --git a/runtime/openjdkjvmti/ti_method.cc b/runtime/openjdkjvmti/ti_method.cc
index 02b6090..2ddd64a 100644
--- a/runtime/openjdkjvmti/ti_method.cc
+++ b/runtime/openjdkjvmti/ti_method.cc
@@ -41,6 +41,64 @@
 
 namespace openjdkjvmti {
 
+jvmtiError MethodUtil::GetArgumentsSize(jvmtiEnv* env ATTRIBUTE_UNUSED,
+                                        jmethodID method,
+                                        jint* size_ptr) {
+  if (method == nullptr) {
+    return ERR(INVALID_METHODID);
+  }
+  art::ArtMethod* art_method = art::jni::DecodeArtMethod(method);
+
+  if (art_method->IsNative()) {
+    return ERR(NATIVE_METHOD);
+  }
+
+  if (size_ptr == nullptr) {
+    return ERR(NULL_POINTER);
+  }
+
+  art::ScopedObjectAccess soa(art::Thread::Current());
+  if (art_method->IsProxyMethod() || art_method->IsAbstract()) {
+    // This isn't specified as an error case, so return 0.
+    *size_ptr = 0;
+    return ERR(NONE);
+  }
+
+  DCHECK_NE(art_method->GetCodeItemOffset(), 0u);
+  *size_ptr = art_method->GetCodeItem()->ins_size_;
+
+  return ERR(NONE);
+}
+
+jvmtiError MethodUtil::GetMaxLocals(jvmtiEnv* env ATTRIBUTE_UNUSED,
+                                    jmethodID method,
+                                    jint* max_ptr) {
+  if (method == nullptr) {
+    return ERR(INVALID_METHODID);
+  }
+  art::ArtMethod* art_method = art::jni::DecodeArtMethod(method);
+
+  if (art_method->IsNative()) {
+    return ERR(NATIVE_METHOD);
+  }
+
+  if (max_ptr == nullptr) {
+    return ERR(NULL_POINTER);
+  }
+
+  art::ScopedObjectAccess soa(art::Thread::Current());
+  if (art_method->IsProxyMethod() || art_method->IsAbstract()) {
+    // This isn't specified as an error case, so return 0.
+    *max_ptr = 0;
+    return ERR(NONE);
+  }
+
+  DCHECK_NE(art_method->GetCodeItemOffset(), 0u);
+  *max_ptr = art_method->GetCodeItem()->registers_size_;
+
+  return ERR(NONE);
+}
+
 jvmtiError MethodUtil::GetMethodName(jvmtiEnv* env,
                                      jmethodID method,
                                      char** name_ptr,
@@ -107,6 +165,38 @@
   return ERR(NONE);
 }
 
+jvmtiError MethodUtil::GetMethodLocation(jvmtiEnv* env ATTRIBUTE_UNUSED,
+                                         jmethodID method,
+                                         jlocation* start_location_ptr,
+                                         jlocation* end_location_ptr) {
+  if (method == nullptr) {
+    return ERR(INVALID_METHODID);
+  }
+  art::ArtMethod* art_method = art::jni::DecodeArtMethod(method);
+
+  if (art_method->IsNative()) {
+    return ERR(NATIVE_METHOD);
+  }
+
+  if (start_location_ptr == nullptr || end_location_ptr == nullptr) {
+    return ERR(NULL_POINTER);
+  }
+
+  art::ScopedObjectAccess soa(art::Thread::Current());
+  if (art_method->IsProxyMethod() || art_method->IsAbstract()) {
+    // This isn't specified as an error case, so return 0/0.
+    *start_location_ptr = 0;
+    *end_location_ptr = 0;
+    return ERR(NONE);
+  }
+
+  DCHECK_NE(art_method->GetCodeItemOffset(), 0u);
+  *start_location_ptr = 0;
+  *end_location_ptr = art_method->GetCodeItem()->insns_size_in_code_units_ - 1;
+
+  return ERR(NONE);
+}
+
 jvmtiError MethodUtil::GetMethodModifiers(jvmtiEnv* env ATTRIBUTE_UNUSED,
                                           jmethodID method,
                                           jint* modifiers_ptr) {
@@ -190,4 +280,43 @@
   return ERR(NONE);
 }
 
+template <typename T>
+static jvmtiError IsMethodT(jvmtiEnv* env ATTRIBUTE_UNUSED,
+                            jmethodID method,
+                            T test,
+                            jboolean* is_t_ptr) {
+  if (method == nullptr) {
+    return ERR(INVALID_METHODID);
+  }
+  if (is_t_ptr == nullptr) {
+    return ERR(NULL_POINTER);
+  }
+
+  art::ArtMethod* art_method = art::jni::DecodeArtMethod(method);
+  *is_t_ptr = test(art_method) ? JNI_TRUE : JNI_FALSE;
+
+  return ERR(NONE);
+}
+
+jvmtiError MethodUtil::IsMethodNative(jvmtiEnv* env, jmethodID m, jboolean* is_native_ptr) {
+  auto test = [](art::ArtMethod* method) {
+    return method->IsNative();
+  };
+  return IsMethodT(env, m, test, is_native_ptr);
+}
+
+jvmtiError MethodUtil::IsMethodObsolete(jvmtiEnv* env, jmethodID m, jboolean* is_obsolete_ptr) {
+  auto test = [](art::ArtMethod* method) {
+    return method->IsObsolete();
+  };
+  return IsMethodT(env, m, test, is_obsolete_ptr);
+}
+
+jvmtiError MethodUtil::IsMethodSynthetic(jvmtiEnv* env, jmethodID m, jboolean* is_synthetic_ptr) {
+  auto test = [](art::ArtMethod* method) {
+    return method->IsSynthetic();
+  };
+  return IsMethodT(env, m, test, is_synthetic_ptr);
+}
+
 }  // namespace openjdkjvmti
diff --git a/runtime/openjdkjvmti/ti_method.h b/runtime/openjdkjvmti/ti_method.h
index fb2fbb2..e5c1705 100644
--- a/runtime/openjdkjvmti/ti_method.h
+++ b/runtime/openjdkjvmti/ti_method.h
@@ -39,6 +39,10 @@
 
 class MethodUtil {
  public:
+  static jvmtiError GetArgumentsSize(jvmtiEnv* env, jmethodID method, jint* size_ptr);
+
+  static jvmtiError GetMaxLocals(jvmtiEnv* env, jmethodID method, jint* max_ptr);
+
   static jvmtiError GetMethodName(jvmtiEnv* env,
                                   jmethodID method,
                                   char** name_ptr,
@@ -49,6 +53,11 @@
                                             jmethodID method,
                                             jclass* declaring_class_ptr);
 
+  static jvmtiError GetMethodLocation(jvmtiEnv* env,
+                                      jmethodID method,
+                                      jlocation* start_location_ptr,
+                                      jlocation* end_location_ptr);
+
   static jvmtiError GetMethodModifiers(jvmtiEnv* env,
                                        jmethodID method,
                                        jint* modifiers_ptr);
@@ -57,6 +66,10 @@
                                        jmethodID method,
                                        jint* entry_count_ptr,
                                        jvmtiLineNumberEntry** table_ptr);
+
+  static jvmtiError IsMethodNative(jvmtiEnv* env, jmethodID method, jboolean* is_native_ptr);
+  static jvmtiError IsMethodObsolete(jvmtiEnv* env, jmethodID method, jboolean* is_obsolete_ptr);
+  static jvmtiError IsMethodSynthetic(jvmtiEnv* env, jmethodID method, jboolean* is_synthetic_ptr);
 };
 
 }  // namespace openjdkjvmti
diff --git a/runtime/openjdkjvmti/ti_object.cc b/runtime/openjdkjvmti/ti_object.cc
new file mode 100644
index 0000000..bf84499
--- /dev/null
+++ b/runtime/openjdkjvmti/ti_object.cc
@@ -0,0 +1,76 @@
+/* Copyright (C) 2017 The Android Open Source Project
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This file implements interfaces from the file jvmti.h. This implementation
+ * is licensed under the same terms as the file jvmti.h.  The
+ * copyright and license information for the file jvmti.h follows.
+ *
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include "ti_object.h"
+
+#include "art_jvmti.h"
+#include "mirror/object-inl.h"
+#include "scoped_thread_state_change-inl.h"
+#include "thread-inl.h"
+
+namespace openjdkjvmti {
+
+jvmtiError ObjectUtil::GetObjectSize(jvmtiEnv* env ATTRIBUTE_UNUSED,
+                                     jobject jobject,
+                                     jlong* size_ptr) {
+  if (jobject == nullptr) {
+    return ERR(INVALID_OBJECT);
+  }
+  if (size_ptr == nullptr) {
+    return ERR(NULL_POINTER);
+  }
+
+  art::ScopedObjectAccess soa(art::Thread::Current());
+  art::ObjPtr<art::mirror::Object> object = soa.Decode<art::mirror::Object>(jobject);
+
+  *size_ptr = object->SizeOf();
+  return ERR(NONE);
+}
+
+jvmtiError ObjectUtil::GetObjectHashCode(jvmtiEnv* env ATTRIBUTE_UNUSED,
+                                         jobject jobject,
+                                         jint* hash_code_ptr) {
+  if (jobject == nullptr) {
+    return ERR(INVALID_OBJECT);
+  }
+  if (hash_code_ptr == nullptr) {
+    return ERR(NULL_POINTER);
+  }
+
+  art::ScopedObjectAccess soa(art::Thread::Current());
+  art::ObjPtr<art::mirror::Object> object = soa.Decode<art::mirror::Object>(jobject);
+
+  *hash_code_ptr = object->IdentityHashCode();
+
+  return ERR(NONE);
+}
+
+}  // namespace openjdkjvmti
diff --git a/runtime/openjdkjvmti/ti_object.h b/runtime/openjdkjvmti/ti_object.h
new file mode 100644
index 0000000..09eee61
--- /dev/null
+++ b/runtime/openjdkjvmti/ti_object.h
@@ -0,0 +1,49 @@
+/* Copyright (C) 2017 The Android Open Source Project
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This file implements interfaces from the file jvmti.h. This implementation
+ * is licensed under the same terms as the file jvmti.h.  The
+ * copyright and license information for the file jvmti.h follows.
+ *
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#ifndef ART_RUNTIME_OPENJDKJVMTI_TI_OBJECT_H_
+#define ART_RUNTIME_OPENJDKJVMTI_TI_OBJECT_H_
+
+#include "jni.h"
+#include "jvmti.h"
+
+namespace openjdkjvmti {
+
+class ObjectUtil {
+ public:
+  static jvmtiError GetObjectSize(jvmtiEnv* env, jobject object, jlong* size_ptr);
+
+  static jvmtiError GetObjectHashCode(jvmtiEnv* env, jobject object, jint* hash_code_ptr);
+};
+
+}  // namespace openjdkjvmti
+
+#endif  // ART_RUNTIME_OPENJDKJVMTI_TI_OBJECT_H_
diff --git a/runtime/openjdkjvmti/ti_redefine.cc b/runtime/openjdkjvmti/ti_redefine.cc
index 926819d..adec6c9 100644
--- a/runtime/openjdkjvmti/ti_redefine.cc
+++ b/runtime/openjdkjvmti/ti_redefine.cc
@@ -37,6 +37,8 @@
 
 #include "art_jvmti.h"
 #include "base/logging.h"
+#include "dex_file.h"
+#include "dex_file_types.h"
 #include "events-inl.h"
 #include "gc/allocation_listener.h"
 #include "gc/heap.h"
@@ -193,6 +195,45 @@
   std::string* error_msg_;
 };
 
+jvmtiError Redefiner::IsModifiableClass(jvmtiEnv* env ATTRIBUTE_UNUSED,
+                                        jclass klass,
+                                        jboolean* is_redefinable) {
+  // TODO Check for the appropriate feature flags once we have enabled them.
+  art::Thread* self = art::Thread::Current();
+  art::ScopedObjectAccess soa(self);
+  art::StackHandleScope<1> hs(self);
+  art::ObjPtr<art::mirror::Object> obj(self->DecodeJObject(klass));
+  if (obj.IsNull()) {
+    return ERR(INVALID_CLASS);
+  }
+  art::Handle<art::mirror::Class> h_klass(hs.NewHandle(obj->AsClass()));
+  std::string err_unused;
+  *is_redefinable =
+      Redefiner::GetClassRedefinitionError(h_klass, &err_unused) == OK ? JNI_TRUE : JNI_FALSE;
+  return OK;
+}
+
+jvmtiError Redefiner::GetClassRedefinitionError(art::Handle<art::mirror::Class> klass,
+                                                /*out*/std::string* error_msg) {
+  if (klass->IsPrimitive()) {
+    *error_msg = "Modification of primitive classes is not supported";
+    return ERR(UNMODIFIABLE_CLASS);
+  } else if (klass->IsInterface()) {
+    *error_msg = "Modification of Interface classes is currently not supported";
+    return ERR(UNMODIFIABLE_CLASS);
+  } else if (klass->IsArrayClass()) {
+    *error_msg = "Modification of Array classes is not supported";
+    return ERR(UNMODIFIABLE_CLASS);
+  } else if (klass->IsProxyClass()) {
+    *error_msg = "Modification of proxy classes is not supported";
+    return ERR(UNMODIFIABLE_CLASS);
+  }
+
+  // TODO We should check if the class has non-obsoletable methods on the stack
+  LOG(WARNING) << "presence of non-obsoletable methods on stacks is not currently checked";
+  return OK;
+}
+
 // Moves dex data to an anonymous, read-only mmap'd region.
 std::unique_ptr<art::MemMap> Redefiner::MoveDataToMemMap(const std::string& original_location,
                                                          jint data_len,
@@ -542,6 +583,107 @@
   i->ReJitEverything("libOpenJkdJvmti - Class Redefinition");
 }
 
+bool Redefiner::CheckClass() {
+  // TODO Might just want to put it in a ObjPtr and NoSuspend assert.
+  art::StackHandleScope<1> hs(self_);
+  // Easy check that only 1 class def is present.
+  if (dex_file_->NumClassDefs() != 1) {
+    RecordFailure(ERR(ILLEGAL_ARGUMENT),
+                  StringPrintf("Expected 1 class def in dex file but found %d",
+                               dex_file_->NumClassDefs()));
+    return false;
+  }
+  // Get the ClassDef from the new DexFile.
+  // Since the dex file has only a single class def the index is always 0.
+  const art::DexFile::ClassDef& def = dex_file_->GetClassDef(0);
+  // Get the class as it is now.
+  art::Handle<art::mirror::Class> current_class(hs.NewHandle(GetMirrorClass()));
+
+  // Check the access flags didn't change.
+  if (def.GetJavaAccessFlags() != (current_class->GetAccessFlags() & art::kAccValidClassFlags)) {
+    RecordFailure(ERR(UNSUPPORTED_REDEFINITION_CLASS_MODIFIERS_CHANGED),
+                  "Cannot change modifiers of class by redefinition");
+    return false;
+  }
+
+  // Check class name.
+  // These should have been checked by the dexfile verifier on load.
+  DCHECK_NE(def.class_idx_, art::dex::TypeIndex::Invalid()) << "Invalid type index";
+  const char* descriptor = dex_file_->StringByTypeIdx(def.class_idx_);
+  DCHECK(descriptor != nullptr) << "Invalid dex file structure!";
+  if (!current_class->DescriptorEquals(descriptor)) {
+    std::string storage;
+    RecordFailure(ERR(NAMES_DONT_MATCH),
+                  StringPrintf("expected file to contain class called '%s' but found '%s'!",
+                               current_class->GetDescriptor(&storage),
+                               descriptor));
+    return false;
+  }
+  if (current_class->IsObjectClass()) {
+    if (def.superclass_idx_ != art::dex::TypeIndex::Invalid()) {
+      RecordFailure(ERR(UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED), "Superclass added!");
+      return false;
+    }
+  } else {
+    const char* super_descriptor = dex_file_->StringByTypeIdx(def.superclass_idx_);
+    DCHECK(descriptor != nullptr) << "Invalid dex file structure!";
+    if (!current_class->GetSuperClass()->DescriptorEquals(super_descriptor)) {
+      RecordFailure(ERR(UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED), "Superclass changed");
+      return false;
+    }
+  }
+  const art::DexFile::TypeList* interfaces = dex_file_->GetInterfacesList(def);
+  if (interfaces == nullptr) {
+    if (current_class->NumDirectInterfaces() != 0) {
+      RecordFailure(ERR(UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED), "Interfaces added");
+      return false;
+    }
+  } else {
+    DCHECK(!current_class->IsProxyClass());
+    const art::DexFile::TypeList* current_interfaces = current_class->GetInterfaceTypeList();
+    if (current_interfaces == nullptr || current_interfaces->Size() != interfaces->Size()) {
+      RecordFailure(ERR(UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED), "Interfaces added or removed");
+      return false;
+    }
+    // The order of interfaces is (barely) meaningful so we error if it changes.
+    const art::DexFile& orig_dex_file = current_class->GetDexFile();
+    for (uint32_t i = 0; i < interfaces->Size(); i++) {
+      if (strcmp(
+            dex_file_->StringByTypeIdx(interfaces->GetTypeItem(i).type_idx_),
+            orig_dex_file.StringByTypeIdx(current_interfaces->GetTypeItem(i).type_idx_)) != 0) {
+        RecordFailure(ERR(UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED),
+                      "Interfaces changed or re-ordered");
+        return false;
+      }
+    }
+  }
+  LOG(WARNING) << "No verification is done on annotations of redefined classes.";
+
+  return true;
+}
+
+// TODO Move this to use IsRedefinable when that function is made.
+bool Redefiner::CheckRedefinable() {
+  std::string err;
+  art::StackHandleScope<1> hs(self_);
+
+  art::Handle<art::mirror::Class> h_klass(hs.NewHandle(GetMirrorClass()));
+  jvmtiError res = Redefiner::GetClassRedefinitionError(h_klass, &err);
+  if (res != OK) {
+    RecordFailure(res, err);
+    return false;
+  } else {
+    return true;
+  }
+}
+
+bool Redefiner::CheckRedefinitionIsValid() {
+  return CheckRedefinable() &&
+      CheckClass() &&
+      CheckSameFields() &&
+      CheckSameMethods();
+}
+
 jvmtiError Redefiner::Run() {
   art::StackHandleScope<5> hs(self_);
   // TODO We might want to have a global lock (or one based on the class being redefined at least)
@@ -552,7 +694,7 @@
   // doing a try loop. The other allocations we need to ensure that nothing has changed in the time
   // between allocating them and pausing all threads before we can update them so we need to do a
   // try loop.
-  if (!EnsureRedefinitionIsValid() || !EnsureClassAllocationsFinished()) {
+  if (!CheckRedefinitionIsValid() || !EnsureClassAllocationsFinished()) {
     return result_;
   }
   art::MutableHandle<art::mirror::ClassLoader> source_class_loader(
diff --git a/runtime/openjdkjvmti/ti_redefine.h b/runtime/openjdkjvmti/ti_redefine.h
index 9d23ce4..01b5eca 100644
--- a/runtime/openjdkjvmti/ti_redefine.h
+++ b/runtime/openjdkjvmti/ti_redefine.h
@@ -80,6 +80,8 @@
                                   unsigned char* dex_data,
                                   std::string* error_msg);
 
+  static jvmtiError IsModifiableClass(jvmtiEnv* env, jclass klass, jboolean* is_redefinable);
+
  private:
   jvmtiError result_;
   art::Runtime* runtime_;
@@ -106,6 +108,10 @@
         error_msg_(error_msg),
         class_sig_(class_sig) { }
 
+  static jvmtiError GetClassRedefinitionError(art::Handle<art::mirror::Class> klass,
+                                              /*out*/std::string* error_msg)
+      REQUIRES_SHARED(art::Locks::mutator_lock_);
+
   static std::unique_ptr<art::MemMap> MoveDataToMemMap(const std::string& original_location,
                                                        jint data_len,
                                                        unsigned char* dex_data,
@@ -152,14 +158,29 @@
 
   void RecordFailure(jvmtiError result, const std::string& error_msg);
 
-  // TODO Actually write this.
   // This will check that no constraints are violated (more than 1 class in dex file, any changes in
   // number/declaration of methods & fields, changes in access flags, etc.)
-  bool EnsureRedefinitionIsValid() {
-    LOG(WARNING) << "Redefinition is not checked for validity currently";
+  bool CheckRedefinitionIsValid() REQUIRES_SHARED(art::Locks::mutator_lock_);
+
+  // Checks that the class can even be redefined.
+  bool CheckRedefinable() REQUIRES_SHARED(art::Locks::mutator_lock_);
+
+  // Checks that the dex file does not add/remove methods.
+  bool CheckSameMethods() REQUIRES_SHARED(art::Locks::mutator_lock_) {
+    LOG(WARNING) << "methods are not checked for modification currently";
     return true;
   }
 
+  // Checks that the dex file does not modify fields
+  bool CheckSameFields() REQUIRES_SHARED(art::Locks::mutator_lock_) {
+    LOG(WARNING) << "Fields are not checked for modification currently";
+    return true;
+  }
+
+  // Checks that the dex file contains only the single expected class and that the top-level class
+  // data has not been modified in an incompatible manner.
+  bool CheckClass() REQUIRES_SHARED(art::Locks::mutator_lock_);
+
   bool UpdateJavaDexFile(art::ObjPtr<art::mirror::Object> java_dex_file,
                          art::ObjPtr<art::mirror::LongArray> new_cookie,
                          /*out*/art::ObjPtr<art::mirror::LongArray>* original_cookie)
diff --git a/runtime/thread_list.cc b/runtime/thread_list.cc
index bf9eef8..34f9043 100644
--- a/runtime/thread_list.cc
+++ b/runtime/thread_list.cc
@@ -653,7 +653,7 @@
   // is done with a timeout so that we can detect problems.
 #if ART_USE_FUTEXES
   timespec wait_timeout;
-  InitTimeSpec(true, CLOCK_MONOTONIC, 10000, 0, &wait_timeout);
+  InitTimeSpec(false, CLOCK_MONOTONIC, 10000, 0, &wait_timeout);
 #endif
   while (true) {
     int32_t cur_val = pending_threads.LoadRelaxed();
diff --git a/test/536-checker-intrinsic-optimization/src/Main.java b/test/536-checker-intrinsic-optimization/src/Main.java
index 26475ae..ed7524c 100644
--- a/test/536-checker-intrinsic-optimization/src/Main.java
+++ b/test/536-checker-intrinsic-optimization/src/Main.java
@@ -153,8 +153,8 @@
   /// CHECK-DAG:  <<Pos:i\d+>>      ParameterValue
   /// CHECK-DAG:  <<NullCk:l\d+>>   NullCheck [<<String>>]
   /// CHECK-DAG:  <<Length:i\d+>>   ArrayLength [<<NullCk>>] is_string_length:true
-  /// CHECK-DAG:                    BoundsCheck [<<Pos>>,<<Length>>] is_string_char_at:true
-  /// CHECK-DAG:  <<Char:c\d+>>     ArrayGet [<<NullCk>>,<<Pos>>] is_string_char_at:true
+  /// CHECK-DAG:  <<Bounds:i\d+>>   BoundsCheck [<<Pos>>,<<Length>>] is_string_char_at:true
+  /// CHECK-DAG:  <<Char:c\d+>>     ArrayGet [<<NullCk>>,<<Bounds>>] is_string_char_at:true
   /// CHECK-DAG:                    Return [<<Char>>]
 
   /// CHECK-START: char Main.$opt$noinline$stringCharAt(java.lang.String, int) instruction_simplifier (after)
@@ -174,8 +174,8 @@
   /// CHECK-DAG:  <<Pos:i\d+>>      ParameterValue
   /// CHECK-DAG:  <<NullCk:l\d+>>   NullCheck [<<String>>]
   /// CHECK-DAG:  <<Length:i\d+>>   ArrayLength [<<NullCk>>] is_string_length:true
-  /// CHECK-DAG:                    BoundsCheck [<<Pos>>,<<Length>>] is_string_char_at:true
-  /// CHECK-DAG:  <<Char:c\d+>>     ArrayGet [<<NullCk>>,<<Pos>>] is_string_char_at:true
+  /// CHECK-DAG:  <<Bounds:i\d+>>   BoundsCheck [<<Pos>>,<<Length>>] is_string_char_at:true
+  /// CHECK-DAG:  <<Char:c\d+>>     ArrayGet [<<NullCk>>,<<Bounds>>] is_string_char_at:true
   /// CHECK-DAG:                    Return [<<Char>>]
 
   /// CHECK-START: char Main.$opt$noinline$stringCharAtCatch(java.lang.String, int) instruction_simplifier (after)
diff --git a/test/632-checker-char-at-bounds/expected.txt b/test/632-checker-char-at-bounds/expected.txt
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/632-checker-char-at-bounds/expected.txt
diff --git a/test/632-checker-char-at-bounds/info.txt b/test/632-checker-char-at-bounds/info.txt
new file mode 100644
index 0000000..10b9a44
--- /dev/null
+++ b/test/632-checker-char-at-bounds/info.txt
@@ -0,0 +1,2 @@
+Regression test for the optimization of String.charAt, which
+had its SSA dependency incorrect with its corresponding bound check.
diff --git a/test/632-checker-char-at-bounds/src/Main.java b/test/632-checker-char-at-bounds/src/Main.java
new file mode 100644
index 0000000..65022d0
--- /dev/null
+++ b/test/632-checker-char-at-bounds/src/Main.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+public class Main {
+
+  /// CHECK-START: void Main.main(java.lang.String[]) licm (after)
+  /// CHECK-DAG: <<NullCheck:l\d+>>   NullCheck
+  /// CHECK-DAG: <<BoundsCheck:i\d+>> BoundsCheck
+  /// CHECK-DAG:                      ArrayGet [<<NullCheck>>,<<BoundsCheck>>]
+  public static void main(String[] args) {
+    try {
+      String foo = myString;
+      foo.getClass(); // Make sure the null check is not in the loop.
+      char c = 0;
+      for (int i = 0; i < 10; i++) {
+        // The charAt may be licm'ed, but it has to be licm'ed with its
+        // bounds check.
+        c = foo.charAt(10000000);
+      }
+      System.out.println(c);
+    } catch (StringIndexOutOfBoundsException e) {
+      // Expected
+    }
+  }
+
+  static String myString = "foo";
+}
diff --git a/test/910-methods/expected.txt b/test/910-methods/expected.txt
index 9a74799..c913b3f 100644
--- a/test/910-methods/expected.txt
+++ b/test/910-methods/expected.txt
@@ -1,15 +1,59 @@
 [toString, ()Ljava/lang/String;, null]
 class java.lang.Object
 1
+Max locals: 3
+Argument size: 1
+Location start: 0
+Location end: 40
+Is native: false
+Is obsolete: false
+Is synthetic: false
 [charAt, (I)C, null]
 class java.lang.String
 257
+Max locals: JVMTI_ERROR_NATIVE_METHOD
+Argument size: JVMTI_ERROR_NATIVE_METHOD
+Location start: JVMTI_ERROR_NATIVE_METHOD
+Location end: JVMTI_ERROR_NATIVE_METHOD
+Is native: true
+Is obsolete: false
+Is synthetic: false
 [sqrt, (D)D, null]
 class java.lang.Math
 265
+Max locals: JVMTI_ERROR_NATIVE_METHOD
+Argument size: JVMTI_ERROR_NATIVE_METHOD
+Location start: JVMTI_ERROR_NATIVE_METHOD
+Location end: JVMTI_ERROR_NATIVE_METHOD
+Is native: true
+Is obsolete: false
+Is synthetic: false
 [add, (Ljava/lang/Object;)Z, null]
 interface java.util.List
 1025
+Max locals: 0
+Argument size: 0
+Location start: 0
+Location end: 0
+Is native: false
+Is obsolete: false
+Is synthetic: false
 [run, ()V, null]
 class $Proxy0
 17
+Max locals: 0
+Argument size: 0
+Location start: 0
+Location end: 0
+Is native: false
+Is obsolete: false
+Is synthetic: false
+class Main$NestedSynthetic
+4104
+Max locals: 1
+Argument size: 0
+Location start: 0
+Location end: 2
+Is native: false
+Is obsolete: false
+Is synthetic: true
diff --git a/test/910-methods/methods.cc b/test/910-methods/methods.cc
index b64952d..0f8892e 100644
--- a/test/910-methods/methods.cc
+++ b/test/910-methods/methods.cc
@@ -114,6 +114,119 @@
   return modifiers;
 }
 
+static bool ErrorToException(JNIEnv* env, jvmtiError error) {
+  if (error == JVMTI_ERROR_NONE) {
+    return false;
+  }
+
+  ScopedLocalRef<jclass> rt_exception(env, env->FindClass("java/lang/RuntimeException"));
+  if (rt_exception.get() == nullptr) {
+    // CNFE should be pending.
+    return true;
+  }
+
+  char* err;
+  jvmti_env->GetErrorName(error, &err);
+
+  env->ThrowNew(rt_exception.get(), err);
+
+  jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(err));
+  return true;
+}
+
+extern "C" JNIEXPORT jint JNICALL Java_Main_getMaxLocals(
+    JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
+  jmethodID id = env->FromReflectedMethod(method);
+
+  jint max_locals;
+  jvmtiError result = jvmti_env->GetMaxLocals(id, &max_locals);
+  if (ErrorToException(env, result)) {
+    return -1;
+  }
+
+  return max_locals;
+}
+
+extern "C" JNIEXPORT jint JNICALL Java_Main_getArgumentsSize(
+    JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
+  jmethodID id = env->FromReflectedMethod(method);
+
+  jint arguments;
+  jvmtiError result = jvmti_env->GetArgumentsSize(id, &arguments);
+  if (ErrorToException(env, result)) {
+    return -1;
+  }
+
+  return arguments;
+}
+
+extern "C" JNIEXPORT jlong JNICALL Java_Main_getMethodLocationStart(
+    JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
+  jmethodID id = env->FromReflectedMethod(method);
+
+  jlong start;
+  jlong end;
+  jvmtiError result = jvmti_env->GetMethodLocation(id, &start, &end);
+  if (ErrorToException(env, result)) {
+    return -1;
+  }
+
+  return start;
+}
+
+extern "C" JNIEXPORT jlong JNICALL Java_Main_getMethodLocationEnd(
+    JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
+  jmethodID id = env->FromReflectedMethod(method);
+
+  jlong start;
+  jlong end;
+  jvmtiError result = jvmti_env->GetMethodLocation(id, &start, &end);
+  if (ErrorToException(env, result)) {
+    return -1;
+  }
+
+  return end;
+}
+
+extern "C" JNIEXPORT jboolean JNICALL Java_Main_isMethodNative(
+    JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
+  jmethodID id = env->FromReflectedMethod(method);
+
+  jboolean is_native;
+  jvmtiError result = jvmti_env->IsMethodNative(id, &is_native);
+  if (ErrorToException(env, result)) {
+    return JNI_FALSE;
+  }
+
+  return is_native;
+}
+
+extern "C" JNIEXPORT jboolean JNICALL Java_Main_isMethodObsolete(
+    JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
+  jmethodID id = env->FromReflectedMethod(method);
+
+  jboolean is_obsolete;
+  jvmtiError result = jvmti_env->IsMethodObsolete(id, &is_obsolete);
+  if (ErrorToException(env, result)) {
+    return JNI_FALSE;
+  }
+
+  return is_obsolete;
+}
+
+extern "C" JNIEXPORT jboolean JNICALL Java_Main_isMethodSynthetic(
+    JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
+  jmethodID id = env->FromReflectedMethod(method);
+
+  jboolean is_synthetic;
+  jvmtiError result = jvmti_env->IsMethodSynthetic(id, &is_synthetic);
+  if (ErrorToException(env, result)) {
+    return JNI_FALSE;
+  }
+
+  return is_synthetic;
+}
+
 // Don't do anything
 jint OnLoad(JavaVM* vm,
             char* options ATTRIBUTE_UNUSED,
diff --git a/test/910-methods/src/Main.java b/test/910-methods/src/Main.java
index 3459134..bf25a0d 100644
--- a/test/910-methods/src/Main.java
+++ b/test/910-methods/src/Main.java
@@ -32,6 +32,10 @@
     testMethod("java.util.List", "add", Object.class);
 
     testMethod(getProxyClass(), "run");
+
+    // Find a synthetic method in the dummy inner class. Do not print the name. Javac and Jack
+    // disagree on the naming of synthetic accessors.
+    testMethod(findSyntheticMethod(), NestedSynthetic.class, false);
   }
 
   private static Class<?> proxyClass = null;
@@ -54,8 +58,17 @@
   private static void testMethod(Class<?> base, String methodName, Class<?>... types)
       throws Exception {
     Method m = base.getDeclaredMethod(methodName, types);
+    testMethod(m, base, true);
+  }
+
+  private static void testMethod(Method m, Class<?> base, boolean printName) {
     String[] result = getMethodName(m);
-    System.out.println(Arrays.toString(result));
+    if (!result[0].equals(m.getName())) {
+      throw new RuntimeException("Name not equal: " + m.getName() + " vs " + result[0]);
+    }
+    if (printName) {
+      System.out.println(Arrays.toString(result));
+    }
 
     Class<?> declClass = getMethodDeclaringClass(m);
     if (base != declClass) {
@@ -68,9 +81,67 @@
       throw new RuntimeException("Modifiers not equal: " + m.getModifiers() + " vs " + modifiers);
     }
     System.out.println(modifiers);
+
+    System.out.print("Max locals: ");
+    try {
+      System.out.println(getMaxLocals(m));
+    } catch (RuntimeException e) {
+      System.out.println(e.getMessage());
+    }
+
+    System.out.print("Argument size: ");
+    try {
+      System.out.println(getArgumentsSize(m));
+    } catch (RuntimeException e) {
+      System.out.println(e.getMessage());
+    }
+
+    System.out.print("Location start: ");
+    try {
+      System.out.println(getMethodLocationStart(m));
+    } catch (RuntimeException e) {
+      System.out.println(e.getMessage());
+    }
+
+    System.out.print("Location end: ");
+    try {
+      System.out.println(getMethodLocationEnd(m));
+    } catch (RuntimeException e) {
+      System.out.println(e.getMessage());
+    }
+
+    System.out.println("Is native: " + isMethodNative(m));
+    System.out.println("Is obsolete: " + isMethodObsolete(m));
+    System.out.println("Is synthetic: " + isMethodSynthetic(m));
+  }
+
+  private static class NestedSynthetic {
+    // Accessing this private field will create a synthetic accessor method;
+    private static String dummy;
+  }
+
+  private static void dummyAccess() {
+    System.out.println(NestedSynthetic.dummy);
+  }
+
+  private static Method findSyntheticMethod() throws Exception {
+    Method methods[] = NestedSynthetic.class.getDeclaredMethods();
+    for (Method m : methods) {
+      if (m.isSynthetic()) {
+        return m;
+      }
+    }
+    throw new RuntimeException("Could not find synthetic method");
   }
 
   private static native String[] getMethodName(Method m);
   private static native Class<?> getMethodDeclaringClass(Method m);
   private static native int getMethodModifiers(Method m);
+  private static native int getMaxLocals(Method m);
+  private static native int getArgumentsSize(Method m);
+  private static native long getMethodLocationStart(Method m);
+  private static native long getMethodLocationEnd(Method m);
+  private static native boolean isMethodNative(Method m);
+  private static native boolean isMethodObsolete(Method m);
+  private static native boolean isMethodSynthetic(Method m);
 }
diff --git a/test/912-classes/classes.cc b/test/912-classes/classes.cc
index 19d82c5..38a4f0e 100644
--- a/test/912-classes/classes.cc
+++ b/test/912-classes/classes.cc
@@ -29,6 +29,20 @@
 namespace art {
 namespace Test912Classes {
 
+extern "C" JNIEXPORT jboolean JNICALL Java_Main_isModifiableClass(
+    JNIEnv* env ATTRIBUTE_UNUSED, jclass Main_klass ATTRIBUTE_UNUSED, jclass klass) {
+  jboolean res = JNI_FALSE;
+  jvmtiError result = jvmti_env->IsModifiableClass(klass, &res);
+  if (result != JVMTI_ERROR_NONE) {
+    char* err;
+    jvmti_env->GetErrorName(result, &err);
+    printf("Failure running IsModifiableClass: %s\n", err);
+    jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(err));
+    return JNI_FALSE;
+  }
+  return res;
+}
+
 extern "C" JNIEXPORT jobjectArray JNICALL Java_Main_getClassSignature(
     JNIEnv* env, jclass Main_klass ATTRIBUTE_UNUSED, jclass klass) {
   char* sig;
diff --git a/test/912-classes/expected.txt b/test/912-classes/expected.txt
index 3507a1a..44c861a 100644
--- a/test/912-classes/expected.txt
+++ b/test/912-classes/expected.txt
@@ -12,13 +12,13 @@
 411
 [[D, null]
 411
-int interface=false array=false
-$Proxy0 interface=false array=false
-java.lang.Runnable interface=true array=false
-java.lang.String interface=false array=false
-[I interface=false array=true
-[Ljava.lang.Runnable; interface=false array=true
-[Ljava.lang.String; interface=false array=true
+int interface=false array=false modifiable=false
+$Proxy0 interface=false array=false modifiable=false
+java.lang.Runnable interface=true array=false modifiable=false
+java.lang.String interface=false array=false modifiable=true
+[I interface=false array=true modifiable=false
+[Ljava.lang.Runnable; interface=false array=true modifiable=false
+[Ljava.lang.String; interface=false array=true modifiable=false
 [public static final int java.lang.Integer.BYTES, static final char[] java.lang.Integer.DigitOnes, static final char[] java.lang.Integer.DigitTens, public static final int java.lang.Integer.MAX_VALUE, public static final int java.lang.Integer.MIN_VALUE, public static final int java.lang.Integer.SIZE, private static final java.lang.String[] java.lang.Integer.SMALL_NEG_VALUES, private static final java.lang.String[] java.lang.Integer.SMALL_NONNEG_VALUES, public static final java.lang.Class java.lang.Integer.TYPE, static final char[] java.lang.Integer.digits, private static final long java.lang.Integer.serialVersionUID, static final int[] java.lang.Integer.sizeTable, private final int java.lang.Integer.value]
 []
 []
diff --git a/test/912-classes/src/Main.java b/test/912-classes/src/Main.java
index 69e5a4c..e627d42 100644
--- a/test/912-classes/src/Main.java
+++ b/test/912-classes/src/Main.java
@@ -107,7 +107,9 @@
   private static void testClassType(Class<?> c) throws Exception {
     boolean isInterface = isInterface(c);
     boolean isArray = isArrayClass(c);
-    System.out.println(c.getName() + " interface=" + isInterface + " array=" + isArray);
+    boolean isModifiable = isModifiableClass(c);
+    System.out.println(c.getName() + " interface=" + isInterface + " array=" + isArray +
+        " modifiable=" + isModifiable);
   }
 
   private static void testClassFields(Class<?> c) throws Exception {
@@ -149,6 +151,7 @@
     }
   }
 
+  private static native boolean isModifiableClass(Class<?> c);
   private static native String[] getClassSignature(Class<?> c);
 
   private static native boolean isInterface(Class<?> c);
diff --git a/test/920-objects/build b/test/920-objects/build
new file mode 100755
index 0000000..898e2e5
--- /dev/null
+++ b/test/920-objects/build
@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# Copyright 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+./default-build "$@" --experimental agents
diff --git a/test/920-objects/expected.txt b/test/920-objects/expected.txt
new file mode 100644
index 0000000..80feeb9
--- /dev/null
+++ b/test/920-objects/expected.txt
@@ -0,0 +1,10 @@
+class java.lang.Object 8
+class java.lang.Object 8
+class [I 12
+class [I 16
+class [I 20
+class [D 16
+class [D 24
+class [D 32
+class java.lang.String 24
+class java.lang.String 24
diff --git a/test/920-objects/info.txt b/test/920-objects/info.txt
new file mode 100644
index 0000000..875a5f6
--- /dev/null
+++ b/test/920-objects/info.txt
@@ -0,0 +1 @@
+Tests basic functions in the jvmti plugin.
diff --git a/test/920-objects/objects.cc b/test/920-objects/objects.cc
new file mode 100644
index 0000000..886dd0e
--- /dev/null
+++ b/test/920-objects/objects.cc
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "objects.h"
+
+#include <stdio.h>
+
+#include "base/macros.h"
+#include "jni.h"
+#include "openjdkjvmti/jvmti.h"
+#include "ScopedLocalRef.h"
+
+#include "ti-agent/common_helper.h"
+#include "ti-agent/common_load.h"
+
+namespace art {
+namespace Test920Objects {
+
+extern "C" JNIEXPORT jlong JNICALL Java_Main_getObjectSize(
+    JNIEnv* env ATTRIBUTE_UNUSED, jclass klass ATTRIBUTE_UNUSED, jobject object) {
+  jlong size;
+
+  jvmtiError result = jvmti_env->GetObjectSize(object, &size);
+  if (result != JVMTI_ERROR_NONE) {
+    char* err;
+    jvmti_env->GetErrorName(result, &err);
+    printf("Failure running GetObjectSize: %s\n", err);
+    jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(err));
+    return -1;
+  }
+
+  return size;
+}
+
+extern "C" JNIEXPORT jint JNICALL Java_Main_getObjectHashCode(
+    JNIEnv* env ATTRIBUTE_UNUSED, jclass klass ATTRIBUTE_UNUSED, jobject object) {
+  jint hash;
+
+  jvmtiError result = jvmti_env->GetObjectHashCode(object, &hash);
+  if (result != JVMTI_ERROR_NONE) {
+    char* err;
+    jvmti_env->GetErrorName(result, &err);
+    printf("Failure running GetObjectHashCode: %s\n", err);
+    jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(err));
+    return -1;
+  }
+
+  return hash;
+}
+
+// Don't do anything
+jint OnLoad(JavaVM* vm,
+            char* options ATTRIBUTE_UNUSED,
+            void* reserved ATTRIBUTE_UNUSED) {
+  if (vm->GetEnv(reinterpret_cast<void**>(&jvmti_env), JVMTI_VERSION_1_0)) {
+    printf("Unable to get jvmti env!\n");
+    return 1;
+  }
+  SetAllCapabilities(jvmti_env);
+  return 0;
+}
+
+}  // namespace Test920Objects
+}  // namespace art
diff --git a/test/920-objects/objects.h b/test/920-objects/objects.h
new file mode 100644
index 0000000..5f21e7b
--- /dev/null
+++ b/test/920-objects/objects.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_TEST_920_OBJECTS_OBJECTS_H_
+#define ART_TEST_920_OBJECTS_OBJECTS_H_
+
+#include <jni.h>
+
+namespace art {
+namespace Test920Objects {
+
+jint OnLoad(JavaVM* vm, char* options, void* reserved);
+
+}  // namespace Test920Objects
+}  // namespace art
+
+#endif  // ART_TEST_920_OBJECTS_OBJECTS_H_
diff --git a/test/920-objects/run b/test/920-objects/run
new file mode 100755
index 0000000..4379349
--- /dev/null
+++ b/test/920-objects/run
@@ -0,0 +1,19 @@
+#!/bin/bash
+#
+# Copyright 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+./default-run "$@" --experimental agents \
+                   --experimental runtime-plugins \
+                   --jvmti
diff --git a/test/920-objects/src/Main.java b/test/920-objects/src/Main.java
new file mode 100644
index 0000000..5dbe1a7
--- /dev/null
+++ b/test/920-objects/src/Main.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.lang.reflect.Field;
+import java.util.Arrays;
+
+public class Main {
+  public static void main(String[] args) throws Exception {
+    System.loadLibrary(args[1]);
+
+    doTest();
+  }
+
+  public static void doTest() throws Exception {
+    testObjectSize(new Object());
+    testObjectSize(new Object());
+
+    testObjectSize(new int[0]);
+    testObjectSize(new int[1]);
+    testObjectSize(new int[2]);
+
+    testObjectSize(new double[0]);
+    testObjectSize(new double[1]);
+    testObjectSize(new double[2]);
+
+    testObjectSize(new String("abc"));
+    testObjectSize(new String("wxyz"));
+
+    testObjectHash();
+  }
+
+  private static void testObjectSize(Object o) {
+    System.out.println(o.getClass() + " " + getObjectSize(o));
+  }
+
+  private static void testObjectHash() {
+    Object[] objects = new Object[] {
+        new Object(),
+        new Object(),
+
+        new MyHash(1),
+        new MyHash(1),
+        new MyHash(2)
+    };
+
+    int hashes[] = new int[objects.length];
+
+    for (int i = 0; i < objects.length; i++) {
+      hashes[i] = getObjectHashCode(objects[i]);
+    }
+
+    // Implementation detail: we use the identity hashcode, for simplicity.
+    for (int i = 0; i < objects.length; i++) {
+      int ihash = System.identityHashCode(objects[i]);
+      if (hashes[i] != ihash) {
+        throw new RuntimeException(objects[i] + ": " + hashes[i] + " vs " + ihash);
+      }
+    }
+
+    Runtime.getRuntime().gc();
+    Runtime.getRuntime().gc();
+
+    for (int i = 0; i < objects.length; i++) {
+      int newhash = getObjectHashCode(objects[i]);
+      if (hashes[i] != newhash) {
+        throw new RuntimeException(objects[i] + ": " + hashes[i] + " vs " + newhash);
+      }
+    }
+  }
+
+  private static native long getObjectSize(Object o);
+  private static native int getObjectHashCode(Object o);
+
+  private static class MyHash {
+    private int hash;
+
+    public MyHash(int h) {
+      hash = h;
+    }
+
+    public int hashCode() {
+      return hash;
+    }
+  }
+}
diff --git a/test/921-hello-failure/build b/test/921-hello-failure/build
new file mode 100755
index 0000000..898e2e5
--- /dev/null
+++ b/test/921-hello-failure/build
@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# Copyright 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+./default-build "$@" --experimental agents
diff --git a/test/921-hello-failure/expected.txt b/test/921-hello-failure/expected.txt
new file mode 100644
index 0000000..e2665ef
--- /dev/null
+++ b/test/921-hello-failure/expected.txt
@@ -0,0 +1,15 @@
+hello - NewName
+Transformation error : java.lang.Exception(Failed to redefine class <LTransform;> due to JVMTI_ERROR_NAMES_DONT_MATCH)
+hello - NewName
+hello - DifferentAccess
+Transformation error : java.lang.Exception(Failed to redefine class <LTransform;> due to JVMTI_ERROR_UNSUPPORTED_REDEFINITION_CLASS_MODIFIERS_CHANGED)
+hello - DifferentAccess
+hello2 - NewInterface
+Transformation error : java.lang.Exception(Failed to redefine class <LTransform2;> due to JVMTI_ERROR_UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED)
+hello2 - NewInterface
+hello2 - MissingInterface
+Transformation error : java.lang.Exception(Failed to redefine class <LTransform2;> due to JVMTI_ERROR_UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED)
+hello2 - MissingInterface
+hello2 - ReorderInterface
+Transformation error : java.lang.Exception(Failed to redefine class <LTransform2;> due to JVMTI_ERROR_UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED)
+hello2 - ReorderInterface
diff --git a/test/921-hello-failure/info.txt b/test/921-hello-failure/info.txt
new file mode 100644
index 0000000..9d241c7
--- /dev/null
+++ b/test/921-hello-failure/info.txt
@@ -0,0 +1,7 @@
+Tests for redefinition failure modes.
+
+Tests
+----
+
+- NewName: The name of the class is changed
+- DifferentAccess: Class access is changed from <default> to 'public'
diff --git a/test/921-hello-failure/run b/test/921-hello-failure/run
new file mode 100755
index 0000000..3ef4832
--- /dev/null
+++ b/test/921-hello-failure/run
@@ -0,0 +1,20 @@
+#!/bin/bash
+#
+# Copyright 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+./default-run "$@" --experimental agents \
+                   --experimental runtime-plugins \
+                   --jvmti
diff --git a/test/921-hello-failure/src/DifferentAccess.java b/test/921-hello-failure/src/DifferentAccess.java
new file mode 100644
index 0000000..d4b16e0
--- /dev/null
+++ b/test/921-hello-failure/src/DifferentAccess.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.util.Base64;
+
+class DifferentAccess {
+  // The following is a base64 encoding of the following class.
+  // public class NotTransform {
+  //   public void sayHi(String name) {
+  //     throw new Error("Should not be called!");
+  //   }
+  // }
+  private static final byte[] CLASS_BYTES = Base64.getDecoder().decode(
+    "yv66vgAAADQAFQoABgAPBwAQCAARCgACABIHABMHABQBAAY8aW5pdD4BAAMoKVYBAARDb2RlAQAP" +
+    "TGluZU51bWJlclRhYmxlAQAFc2F5SGkBABUoTGphdmEvbGFuZy9TdHJpbmc7KVYBAApTb3VyY2VG" +
+    "aWxlAQAOVHJhbnNmb3JtLmphdmEMAAcACAEAD2phdmEvbGFuZy9FcnJvcgEAFVNob3VsZCBub3Qg" +
+    "YmUgY2FsbGVkIQwABwAMAQAJVHJhbnNmb3JtAQAQamF2YS9sYW5nL09iamVjdAAhAAUABgAAAAAA" +
+    "AgABAAcACAABAAkAAAAdAAEAAQAAAAUqtwABsQAAAAEACgAAAAYAAQAAAAEAAQALAAwAAQAJAAAA" +
+    "IgADAAIAAAAKuwACWRIDtwAEvwAAAAEACgAAAAYAAQAAAAMAAQANAAAAAgAO");
+  private static final byte[] DEX_BYTES = Base64.getDecoder().decode(
+    "ZGV4CjAzNQANVRT7zleRLG4E5DhtK7OtoDxZlUQMI5eQAgAAcAAAAHhWNBIAAAAAAAAAAPwBAAAL" +
+    "AAAAcAAAAAUAAACcAAAAAgAAALAAAAAAAAAAAAAAAAQAAADIAAAAAQAAAOgAAACIAQAACAEAAEoB" +
+    "AABSAQAAXwEAAHIBAACGAQAAmgEAALEBAADBAQAAxAEAAMgBAADcAQAAAQAAAAIAAAADAAAABAAA" +
+    "AAcAAAAHAAAABAAAAAAAAAAIAAAABAAAAEQBAAAAAAAAAAAAAAAAAQAKAAAAAQABAAAAAAACAAAA" +
+    "AAAAAAAAAAABAAAAAgAAAAAAAAAGAAAAAAAAAO4BAAAAAAAAAQABAAEAAADjAQAABAAAAHAQAwAA" +
+    "AA4ABAACAAIAAADoAQAACQAAACIAAQAbAQUAAABwIAIAEAAnAAAAAQAAAAMABjxpbml0PgALTFRy" +
+    "YW5zZm9ybTsAEUxqYXZhL2xhbmcvRXJyb3I7ABJMamF2YS9sYW5nL09iamVjdDsAEkxqYXZhL2xh" +
+    "bmcvU3RyaW5nOwAVU2hvdWxkIG5vdCBiZSBjYWxsZWQhAA5UcmFuc2Zvcm0uamF2YQABVgACVkwA" +
+    "EmVtaXR0ZXI6IGphY2stNC4yMAAFc2F5SGkAAQAHDgADAQAHDgAAAAEBAIGABIgCAQGgAgwAAAAA" +
+    "AAAAAQAAAAAAAAABAAAACwAAAHAAAAACAAAABQAAAJwAAAADAAAAAgAAALAAAAAFAAAABAAAAMgA" +
+    "AAAGAAAAAQAAAOgAAAABIAAAAgAAAAgBAAABEAAAAQAAAEQBAAACIAAACwAAAEoBAAADIAAAAgAA" +
+    "AOMBAAAAIAAAAQAAAO4BAAAAEAAAAQAAAPwBAAA=");
+
+  public static void doTest(Transform t) {
+    t.sayHi("DifferentAccess");
+    try {
+      Main.doCommonClassRedefinition(Transform.class, CLASS_BYTES, DEX_BYTES);
+    } catch (Exception e) {
+      System.out.println(
+          "Transformation error : " + e.getClass().getName() + "(" + e.getMessage() + ")");
+    }
+    t.sayHi("DifferentAccess");
+  }
+}
diff --git a/test/921-hello-failure/src/Iface1.java b/test/921-hello-failure/src/Iface1.java
new file mode 100644
index 0000000..f53275a
--- /dev/null
+++ b/test/921-hello-failure/src/Iface1.java
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+interface Iface1 {
+  void sayHi(String s);
+}
diff --git a/test/921-hello-failure/src/Iface2.java b/test/921-hello-failure/src/Iface2.java
new file mode 100644
index 0000000..54cdd90
--- /dev/null
+++ b/test/921-hello-failure/src/Iface2.java
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+interface Iface2 {
+  void sayHi(String s);
+}
diff --git a/test/921-hello-failure/src/Iface3.java b/test/921-hello-failure/src/Iface3.java
new file mode 100644
index 0000000..819134d
--- /dev/null
+++ b/test/921-hello-failure/src/Iface3.java
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+interface Iface3 {
+  void sayHi(String s);
+}
diff --git a/test/921-hello-failure/src/Main.java b/test/921-hello-failure/src/Main.java
new file mode 100644
index 0000000..69c48e2
--- /dev/null
+++ b/test/921-hello-failure/src/Main.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+public class Main {
+
+  public static void main(String[] args) {
+    System.loadLibrary(args[1]);
+    NewName.doTest(new Transform());
+    DifferentAccess.doTest(new Transform());
+    NewInterface.doTest(new Transform2());
+    MissingInterface.doTest(new Transform2());
+    ReorderInterface.doTest(new Transform2());
+  }
+
+  // Transforms the class. This throws an exception if something goes wrong.
+  public static native void doCommonClassRedefinition(Class<?> target,
+                                                      byte[] classfile,
+                                                      byte[] dexfile) throws Exception;
+}
diff --git a/test/921-hello-failure/src/MissingInterface.java b/test/921-hello-failure/src/MissingInterface.java
new file mode 100644
index 0000000..d17a6de
--- /dev/null
+++ b/test/921-hello-failure/src/MissingInterface.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.util.Base64;
+
+class MissingInterface {
+  // The following is a base64 encoding of the following class.
+  // class Transform2 implements Iface1 {
+  //   public void sayHi(String name) {
+  //     throw new Error("Should not be called!");
+  //   }
+  // }
+  private static final byte[] CLASS_BYTES = Base64.getDecoder().decode(
+      "yv66vgAAADQAFwoABgAQBwARCAASCgACABMHABQHABUHABYBAAY8aW5pdD4BAAMoKVYBAARDb2Rl" +
+      "AQAPTGluZU51bWJlclRhYmxlAQAFc2F5SGkBABUoTGphdmEvbGFuZy9TdHJpbmc7KVYBAApTb3Vy" +
+      "Y2VGaWxlAQAPVHJhbnNmb3JtMi5qYXZhDAAIAAkBAA9qYXZhL2xhbmcvRXJyb3IBABVTaG91bGQg" +
+      "bm90IGJlIGNhbGxlZCEMAAgADQEAClRyYW5zZm9ybTIBABBqYXZhL2xhbmcvT2JqZWN0AQAGSWZh" +
+      "Y2UxACAABQAGAAEABwAAAAIAAAAIAAkAAQAKAAAAHQABAAEAAAAFKrcAAbEAAAABAAsAAAAGAAEA" +
+      "AAABAAEADAANAAEACgAAACIAAwACAAAACrsAAlkSA7cABL8AAAABAAsAAAAGAAEAAAADAAEADgAA" +
+      "AAIADw==");
+  private static final byte[] DEX_BYTES = Base64.getDecoder().decode(
+      "ZGV4CjAzNQDiWVay8/Z0/tXQaTTI+QtwTM65gRJVMOusAgAAcAAAAHhWNBIAAAAAAAAAABgCAAAM" +
+      "AAAAcAAAAAYAAACgAAAAAgAAALgAAAAAAAAAAAAAAAQAAADQAAAAAQAAAPAAAACcAQAAEAEAAFoB" +
+      "AABiAQAAbAEAAHoBAACNAQAAoQEAALUBAADMAQAA3QEAAOABAADkAQAA+AEAAAEAAAACAAAAAwAA" +
+      "AAQAAAAFAAAACAAAAAgAAAAFAAAAAAAAAAkAAAAFAAAAVAEAAAEAAAAAAAAAAQABAAsAAAACAAEA" +
+      "AAAAAAMAAAAAAAAAAQAAAAAAAAADAAAATAEAAAcAAAAAAAAACgIAAAAAAAABAAEAAQAAAP8BAAAE" +
+      "AAAAcBADAAAADgAEAAIAAgAAAAQCAAAJAAAAIgACABsBBgAAAHAgAgAQACcAAAABAAAAAAAAAAEA" +
+      "AAAEAAY8aW5pdD4ACExJZmFjZTE7AAxMVHJhbnNmb3JtMjsAEUxqYXZhL2xhbmcvRXJyb3I7ABJM" +
+      "amF2YS9sYW5nL09iamVjdDsAEkxqYXZhL2xhbmcvU3RyaW5nOwAVU2hvdWxkIG5vdCBiZSBjYWxs" +
+      "ZWQhAA9UcmFuc2Zvcm0yLmphdmEAAVYAAlZMABJlbWl0dGVyOiBqYWNrLTQuMjAABXNheUhpAAEA" +
+      "Bw4AAwEABw4AAAABAQCAgASQAgEBqAIMAAAAAAAAAAEAAAAAAAAAAQAAAAwAAABwAAAAAgAAAAYA" +
+      "AACgAAAAAwAAAAIAAAC4AAAABQAAAAQAAADQAAAABgAAAAEAAADwAAAAASAAAAIAAAAQAQAAARAA" +
+      "AAIAAABMAQAAAiAAAAwAAABaAQAAAyAAAAIAAAD/AQAAACAAAAEAAAAKAgAAABAAAAEAAAAYAgAA");
+
+  public static void doTest(Transform2 t) {
+    t.sayHi("MissingInterface");
+    try {
+      Main.doCommonClassRedefinition(Transform2.class, CLASS_BYTES, DEX_BYTES);
+    } catch (Exception e) {
+      System.out.println(
+          "Transformation error : " + e.getClass().getName() + "(" + e.getMessage() + ")");
+    }
+    t.sayHi("MissingInterface");
+  }
+}
diff --git a/test/921-hello-failure/src/NewInterface.java b/test/921-hello-failure/src/NewInterface.java
new file mode 100644
index 0000000..fe77222
--- /dev/null
+++ b/test/921-hello-failure/src/NewInterface.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.util.Base64;
+
+class NewInterface {
+  // The following is a base64 encoding of the following class.
+  // class Transform2 implements Iface1, Iface2, Iface3 {
+  //   public void sayHi(String name) {
+  //     throw new Error("Should not be called!");
+  //   }
+  // }
+  private static final byte[] CLASS_BYTES = Base64.getDecoder().decode(
+    "yv66vgAAADQAGwoABgASBwATCAAUCgACABUHABYHABcHABgHABkHABoBAAY8aW5pdD4BAAMoKVYB" +
+    "AARDb2RlAQAPTGluZU51bWJlclRhYmxlAQAFc2F5SGkBABUoTGphdmEvbGFuZy9TdHJpbmc7KVYB" +
+    "AApTb3VyY2VGaWxlAQAPVHJhbnNmb3JtMi5qYXZhDAAKAAsBAA9qYXZhL2xhbmcvRXJyb3IBABVT" +
+    "aG91bGQgbm90IGJlIGNhbGxlZCEMAAoADwEAClRyYW5zZm9ybTIBABBqYXZhL2xhbmcvT2JqZWN0" +
+    "AQAGSWZhY2UxAQAGSWZhY2UyAQAGSWZhY2UzACAABQAGAAMABwAIAAkAAAACAAAACgALAAEADAAA" +
+    "AB0AAQABAAAABSq3AAGxAAAAAQANAAAABgABAAAAAQABAA4ADwABAAwAAAAiAAMAAgAAAAq7AAJZ" +
+    "EgO3AAS/AAAAAQANAAAABgABAAAAAwABABAAAAACABE=");
+  private static final byte[] DEX_BYTES = Base64.getDecoder().decode(
+    "ZGV4CjAzNQCBWnko4SMXeuXSO3fGJBp0WSlc0HLRr63UAgAAcAAAAHhWNBIAAAAAAAAAAEACAAAO" +
+    "AAAAcAAAAAgAAACoAAAAAgAAAMgAAAAAAAAAAAAAAAQAAADgAAAAAQAAAAABAAC0AQAAIAEAAG4B" +
+    "AAB2AQAAgAEAAIoBAACUAQAAogEAALUBAADJAQAA3QEAAPQBAAAFAgAACAIAAAwCAAAgAgAAAQAA" +
+    "AAIAAAADAAAABAAAAAUAAAAGAAAABwAAAAoAAAAKAAAABwAAAAAAAAALAAAABwAAAGgBAAADAAAA" +
+    "AAAAAAMAAQANAAAABAABAAAAAAAFAAAAAAAAAAMAAAAAAAAABQAAAFwBAAAJAAAAAAAAADICAAAA" +
+    "AAAAAQABAAEAAAAnAgAABAAAAHAQAwAAAA4ABAACAAIAAAAsAgAACQAAACIABAAbAQgAAABwIAIA" +
+    "EAAnAAAAAwAAAAAAAQACAAAAAQAAAAYABjxpbml0PgAITElmYWNlMTsACExJZmFjZTI7AAhMSWZh" +
+    "Y2UzOwAMTFRyYW5zZm9ybTI7ABFMamF2YS9sYW5nL0Vycm9yOwASTGphdmEvbGFuZy9PYmplY3Q7" +
+    "ABJMamF2YS9sYW5nL1N0cmluZzsAFVNob3VsZCBub3QgYmUgY2FsbGVkIQAPVHJhbnNmb3JtMi5q" +
+    "YXZhAAFWAAJWTAASZW1pdHRlcjogamFjay00LjIwAAVzYXlIaQABAAcOAAMBAAcOAAAAAQEAgIAE" +
+    "oAIBAbgCDAAAAAAAAAABAAAAAAAAAAEAAAAOAAAAcAAAAAIAAAAIAAAAqAAAAAMAAAACAAAAyAAA" +
+    "AAUAAAAEAAAA4AAAAAYAAAABAAAAAAEAAAEgAAACAAAAIAEAAAEQAAACAAAAXAEAAAIgAAAOAAAA" +
+    "bgEAAAMgAAACAAAAJwIAAAAgAAABAAAAMgIAAAAQAAABAAAAQAIAAA==");
+
+  public static void doTest(Transform2 t) {
+    t.sayHi("NewInterface");
+    try {
+      Main.doCommonClassRedefinition(Transform2.class, CLASS_BYTES, DEX_BYTES);
+    } catch (Exception e) {
+      System.out.println(
+          "Transformation error : " + e.getClass().getName() + "(" + e.getMessage() + ")");
+    }
+    t.sayHi("NewInterface");
+  }
+}
diff --git a/test/921-hello-failure/src/NewName.java b/test/921-hello-failure/src/NewName.java
new file mode 100644
index 0000000..a6f249a
--- /dev/null
+++ b/test/921-hello-failure/src/NewName.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.util.Base64;
+
+class NewName {
+  // class NotTransform {
+  //   public void sayHi(String name) {
+  //     throw new Error("Should not be called!");
+  //   }
+  // }
+  private static final byte[] CLASS_BYTES = Base64.getDecoder().decode(
+    "yv66vgAAADQAFQoABgAPBwAQCAARCgACABIHABMHABQBAAY8aW5pdD4BAAMoKVYBAARDb2RlAQAP" +
+    "TGluZU51bWJlclRhYmxlAQAFc2F5SGkBABUoTGphdmEvbGFuZy9TdHJpbmc7KVYBAApTb3VyY2VG" +
+    "aWxlAQARTm90VHJhbnNmb3JtLmphdmEMAAcACAEAD2phdmEvbGFuZy9FcnJvcgEAFVNob3VsZCBu" +
+    "b3QgYmUgY2FsbGVkIQwABwAMAQAMTm90VHJhbnNmb3JtAQAQamF2YS9sYW5nL09iamVjdAAgAAUA" +
+    "BgAAAAAAAgAAAAcACAABAAkAAAAdAAEAAQAAAAUqtwABsQAAAAEACgAAAAYAAQAAAAEAAQALAAwA" +
+    "AQAJAAAAIgADAAIAAAAKuwACWRIDtwAEvwAAAAEACgAAAAYAAQAAAAMAAQANAAAAAgAO");
+  private static final byte[] DEX_BYTES = Base64.getDecoder().decode(
+    "ZGV4CjAzNQDLV95i5xnv6iUi6uIeDoY5jP5Xe9NP1AiYAgAAcAAAAHhWNBIAAAAAAAAAAAQCAAAL" +
+    "AAAAcAAAAAUAAACcAAAAAgAAALAAAAAAAAAAAAAAAAQAAADIAAAAAQAAAOgAAACQAQAACAEAAEoB" +
+    "AABSAQAAYgEAAHUBAACJAQAAnQEAALABAADHAQAAygEAAM4BAADiAQAAAQAAAAIAAAADAAAABAAA" +
+    "AAcAAAAHAAAABAAAAAAAAAAIAAAABAAAAEQBAAAAAAAAAAAAAAAAAQAKAAAAAQABAAAAAAACAAAA" +
+    "AAAAAAAAAAAAAAAAAgAAAAAAAAAFAAAAAAAAAPQBAAAAAAAAAQABAAEAAADpAQAABAAAAHAQAwAA" +
+    "AA4ABAACAAIAAADuAQAACQAAACIAAQAbAQYAAABwIAIAEAAnAAAAAQAAAAMABjxpbml0PgAOTE5v" +
+    "dFRyYW5zZm9ybTsAEUxqYXZhL2xhbmcvRXJyb3I7ABJMamF2YS9sYW5nL09iamVjdDsAEkxqYXZh" +
+    "L2xhbmcvU3RyaW5nOwARTm90VHJhbnNmb3JtLmphdmEAFVNob3VsZCBub3QgYmUgY2FsbGVkIQAB" +
+    "VgACVkwAEmVtaXR0ZXI6IGphY2stNC4yMAAFc2F5SGkAAQAHDgADAQAHDgAAAAEBAICABIgCAQGg" +
+    "AgAADAAAAAAAAAABAAAAAAAAAAEAAAALAAAAcAAAAAIAAAAFAAAAnAAAAAMAAAACAAAAsAAAAAUA" +
+    "AAAEAAAAyAAAAAYAAAABAAAA6AAAAAEgAAACAAAACAEAAAEQAAABAAAARAEAAAIgAAALAAAASgEA" +
+    "AAMgAAACAAAA6QEAAAAgAAABAAAA9AEAAAAQAAABAAAABAIAAA==");
+
+  public static void doTest(Transform t) {
+    t.sayHi("NewName");
+    try {
+      Main.doCommonClassRedefinition(Transform.class, CLASS_BYTES, DEX_BYTES);
+    } catch (Exception e) {
+      System.out.println(
+          "Transformation error : " + e.getClass().getName() + "(" + e.getMessage() + ")");
+    }
+    t.sayHi("NewName");
+  }
+}
diff --git a/test/921-hello-failure/src/ReorderInterface.java b/test/921-hello-failure/src/ReorderInterface.java
new file mode 100644
index 0000000..ce78dbc
--- /dev/null
+++ b/test/921-hello-failure/src/ReorderInterface.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.util.Base64;
+
+class ReorderInterface {
+  // The following is a base64 encoding of the following class.
+  // class Transform2 implements Iface2, Iface1 {
+  //   public void sayHi(String name) {
+  //     throw new Error("Should not be called!");
+  //   }
+  // }
+  private static final byte[] CLASS_BYTES = Base64.getDecoder().decode(
+    "yv66vgAAADQAGQoABgARBwASCAATCgACABQHABUHABYHABcHABgBAAY8aW5pdD4BAAMoKVYBAARD" +
+    "b2RlAQAPTGluZU51bWJlclRhYmxlAQAFc2F5SGkBABUoTGphdmEvbGFuZy9TdHJpbmc7KVYBAApT" +
+    "b3VyY2VGaWxlAQAPVHJhbnNmb3JtMi5qYXZhDAAJAAoBAA9qYXZhL2xhbmcvRXJyb3IBABVTaG91" +
+    "bGQgbm90IGJlIGNhbGxlZCEMAAkADgEAClRyYW5zZm9ybTIBABBqYXZhL2xhbmcvT2JqZWN0AQAG" +
+    "SWZhY2UyAQAGSWZhY2UxACAABQAGAAIABwAIAAAAAgAAAAkACgABAAsAAAAdAAEAAQAAAAUqtwAB" +
+    "sQAAAAEADAAAAAYAAQAAAAEAAQANAA4AAQALAAAAIgADAAIAAAAKuwACWRIDtwAEvwAAAAEADAAA" +
+    "AAYAAQAAAAMAAQAPAAAAAgAQ");
+  private static final byte[] DEX_BYTES = Base64.getDecoder().decode(
+    "ZGV4CjAzNQChWfUC02YEHJZLC4V4pHrGMdqwD8NnzXvAAgAAcAAAAHhWNBIAAAAAAAAAACwCAAAN" +
+    "AAAAcAAAAAcAAACkAAAAAgAAAMAAAAAAAAAAAAAAAAQAAADYAAAAAQAAAPgAAACoAQAAGAEAAGIB" +
+    "AABqAQAAdAEAAH4BAACMAQAAnwEAALMBAADHAQAA3gEAAO8BAADyAQAA9gEAAAoCAAABAAAAAgAA" +
+    "AAMAAAAEAAAABQAAAAYAAAAJAAAACQAAAAYAAAAAAAAACgAAAAYAAABcAQAAAgAAAAAAAAACAAEA" +
+    "DAAAAAMAAQAAAAAABAAAAAAAAAACAAAAAAAAAAQAAABUAQAACAAAAAAAAAAcAgAAAAAAAAEAAQAB" +
+    "AAAAEQIAAAQAAABwEAMAAAAOAAQAAgACAAAAFgIAAAkAAAAiAAMAGwEHAAAAcCACABAAJwAAAAIA" +
+    "AAABAAAAAQAAAAUABjxpbml0PgAITElmYWNlMTsACExJZmFjZTI7AAxMVHJhbnNmb3JtMjsAEUxq" +
+    "YXZhL2xhbmcvRXJyb3I7ABJMamF2YS9sYW5nL09iamVjdDsAEkxqYXZhL2xhbmcvU3RyaW5nOwAV" +
+    "U2hvdWxkIG5vdCBiZSBjYWxsZWQhAA9UcmFuc2Zvcm0yLmphdmEAAVYAAlZMABJlbWl0dGVyOiBq" +
+    "YWNrLTQuMjAABXNheUhpAAEABw4AAwEABw4AAAABAQCAgASYAgEBsAIAAAwAAAAAAAAAAQAAAAAA" +
+    "AAABAAAADQAAAHAAAAACAAAABwAAAKQAAAADAAAAAgAAAMAAAAAFAAAABAAAANgAAAAGAAAAAQAA" +
+    "APgAAAABIAAAAgAAABgBAAABEAAAAgAAAFQBAAACIAAADQAAAGIBAAADIAAAAgAAABECAAAAIAAA" +
+    "AQAAABwCAAAAEAAAAQAAACwCAAA=");
+
+  public static void doTest(Transform2 t) {
+    t.sayHi("ReorderInterface");
+    try {
+      Main.doCommonClassRedefinition(Transform2.class, CLASS_BYTES, DEX_BYTES);
+    } catch (Exception e) {
+      System.out.println(
+          "Transformation error : " + e.getClass().getName() + "(" + e.getMessage() + ")");
+    }
+    t.sayHi("ReorderInterface");
+  }
+}
diff --git a/test/921-hello-failure/src/Transform.java b/test/921-hello-failure/src/Transform.java
new file mode 100644
index 0000000..ee444f0
--- /dev/null
+++ b/test/921-hello-failure/src/Transform.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+class Transform {
+  public void sayHi(String name) {
+    System.out.println("hello - " + name);
+  }
+}
diff --git a/test/921-hello-failure/src/Transform2.java b/test/921-hello-failure/src/Transform2.java
new file mode 100644
index 0000000..9d949f3
--- /dev/null
+++ b/test/921-hello-failure/src/Transform2.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+class Transform2 implements Iface1, Iface2 {
+  public void sayHi(String name) {
+    System.out.println("hello2 - " + name);
+  }
+}
diff --git a/test/Android.bp b/test/Android.bp
index 26c4f93..5a8f43e 100644
--- a/test/Android.bp
+++ b/test/Android.bp
@@ -261,6 +261,7 @@
         "912-classes/classes.cc",
         "913-heaps/heaps.cc",
         "918-fields/fields.cc",
+        "920-objects/objects.cc",
     ],
     shared_libs: [
         "libbase",
diff --git a/test/Android.run-test.mk b/test/Android.run-test.mk
index 670b103..c48f573 100644
--- a/test/Android.run-test.mk
+++ b/test/Android.run-test.mk
@@ -292,6 +292,8 @@
   917-fields-transformation \
   918-fields \
   919-obsolete-fields \
+  920-objects \
+  921-hello-failure \
 
 ifneq (,$(filter target,$(TARGET_TYPES)))
   ART_TEST_KNOWN_BROKEN += $(call all-run-test-names,target,$(RUN_TYPES),$(PREBUILD_TYPES), \
@@ -1023,10 +1025,11 @@
     test_groups += ART_RUN_TEST_$$(uc_host_or_target)_NO_IMAGE_RULES
     run_test_options += --no-image
     # Add the core dependency. This is required for pre-building.
+    # Use the PIC image, as it is the default in run-test, to match dependencies.
     ifeq ($(1),host)
-      prereq_rule += $$(HOST_CORE_IMAGE_$$(image_suffix)_no-pic_$(13))
+      prereq_rule += $$(HOST_CORE_IMAGE_$$(image_suffix)_pic_$(13))
     else
-      prereq_rule += $$(TARGET_CORE_IMAGE_$$(image_suffix)_no-pic_$(13))
+      prereq_rule += $$(TARGET_CORE_IMAGE_$$(image_suffix)_pic_$(13))
     endif
   else
     ifeq ($(9),npicimage)
diff --git a/test/ti-agent/common_helper.cc b/test/ti-agent/common_helper.cc
index ebf1e46..01b6c98 100644
--- a/test/ti-agent/common_helper.cc
+++ b/test/ti-agent/common_helper.cc
@@ -17,6 +17,7 @@
 #include "ti-agent/common_helper.h"
 
 #include <stdio.h>
+#include <sstream>
 
 #include "art_method.h"
 #include "jni.h"
@@ -41,8 +42,24 @@
 
 namespace common_redefine {
 
+static void throwRedefinitionError(jvmtiEnv* jvmti, JNIEnv* env, jclass target, jvmtiError res) {
+  std::stringstream err;
+  char* signature = nullptr;
+  char* generic = nullptr;
+  jvmti->GetClassSignature(target, &signature, &generic);
+  char* error = nullptr;
+  jvmti->GetErrorName(res, &error);
+  err << "Failed to redefine class <" << signature << "> due to " << error;
+  std::string message = err.str();
+  jvmti->Deallocate(reinterpret_cast<unsigned char*>(signature));
+  jvmti->Deallocate(reinterpret_cast<unsigned char*>(generic));
+  jvmti->Deallocate(reinterpret_cast<unsigned char*>(error));
+  env->ThrowNew(env->FindClass("java/lang/Exception"), message.c_str());
+}
+
 using RedefineDirectFunction = jvmtiError (*)(jvmtiEnv*, jclass, jint, const unsigned char*);
-static void DoClassTransformation(jvmtiEnv* jvmti_env, JNIEnv* env,
+static void DoClassTransformation(jvmtiEnv* jvmti_env,
+                                  JNIEnv* env,
                                   jclass target,
                                   jbyteArray class_file_bytes,
                                   jbyteArray dex_file_bytes) {
@@ -63,7 +80,7 @@
     res = f(jvmti_env, target, len, redef_bytes);
   }
   if (res != JVMTI_ERROR_NONE) {
-    printf("Redefinition failed!");
+    throwRedefinitionError(jvmti_env, env, target, res);
   }
 }
 
diff --git a/test/ti-agent/common_load.cc b/test/ti-agent/common_load.cc
index d60cff3..d7579ca 100644
--- a/test/ti-agent/common_load.cc
+++ b/test/ti-agent/common_load.cc
@@ -38,6 +38,7 @@
 #include "912-classes/classes.h"
 #include "913-heaps/heaps.h"
 #include "918-fields/fields.h"
+#include "920-objects/objects.h"
 
 namespace art {
 
@@ -73,6 +74,8 @@
   { "917-fields-transformation", common_redefine::OnLoad, nullptr },
   { "918-fields", Test918Fields::OnLoad, nullptr },
   { "919-obsolete-fields", common_redefine::OnLoad, nullptr },
+  { "920-objects", Test920Objects::OnLoad, nullptr },
+  { "921-hello-failure", common_redefine::OnLoad, nullptr },
 };
 
 static AgentLib* FindAgent(char* name) {