commit a77ac1b214a02534af689046151a9d5f81e95e52
author Vitaly Buka <vitalybuka@google.com> Mon Oct 10 21:31:50 2016 +0000
committer Vitaly Buka <vitalybuka@google.com> Mon Oct 10 21:31:50 2016 +0000
tree f7bc7f602256e56190ee14e8b75cfa70d73e9066
parent edce6e912646568335611a0e0ae2c9b03b7ed8a1

Add -fno-sanitize-address-use-after-scope flag

Reviewers: eugenis

Differential Revision: https://reviews.llvm.org/D25453

llvm-svn: 283801

clang/lib/Driver/SanitizerArgs.cpp

diff --git a/clang/lib/Driver/SanitizerArgs.cpp b/clang/lib/Driver/SanitizerArgs.cpp
index 7f1f671..67a0e3e 100644
--- a/clang/lib/Driver/SanitizerArgs.cpp
+++ b/clang/lib/Driver/SanitizerArgs.cpp
@@ -559,14 +559,13 @@
         D.Diag(clang::diag::note_drv_address_sanitizer_debug_runtime);
       }
     }
-  }
 
-  AsanUseAfterScope =
-      Args.hasArg(options::OPT_fsanitize_address_use_after_scope);
-  if (AsanUseAfterScope && !(AllAddedKinds & Address)) {
-    D.Diag(clang::diag::err_drv_argument_only_allowed_with)
-        << "-fsanitize-address-use-after-scope"
-        << "-fsanitize=address";
+    if (Arg *A = Args.getLastArg(
+            options::OPT_fsanitize_address_use_after_scope,
+            options::OPT_fno_sanitize_address_use_after_scope)) {
+      AsanUseAfterScope = A->getOption().getID() ==
+                          options::OPT_fsanitize_address_use_after_scope;
+    }
   }
 
   // Parse -link-cxx-sanitizer flag.