diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index 0e2c49e..7f6090b 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -908,6 +908,17 @@
                                         Register scratch2,
                                         Label* gc_required,
                                         AllocationFlags flags) {
+  if (!FLAG_inline_new) {
+    if (FLAG_debug_code) {
+      // Trash the registers to simulate an allocation failure.
+      mov(result, Operand(0x7091));
+      mov(scratch1, Operand(0x7191));
+      mov(scratch2, Operand(0x7291));
+    }
+    jmp(gc_required);
+    return;
+  }
+
   ASSERT(!result.is(scratch1));
   ASSERT(!scratch1.is(scratch2));
 
@@ -959,6 +970,17 @@
                                         Register scratch2,
                                         Label* gc_required,
                                         AllocationFlags flags) {
+  if (!FLAG_inline_new) {
+    if (FLAG_debug_code) {
+      // Trash the registers to simulate an allocation failure.
+      mov(result, Operand(0x7091));
+      mov(scratch1, Operand(0x7191));
+      mov(scratch2, Operand(0x7291));
+    }
+    jmp(gc_required);
+    return;
+  }
+
   ASSERT(!result.is(scratch1));
   ASSERT(!scratch1.is(scratch2));