[asan] Add clang flag -fsanitize-address-use-odr-indicator

Reviewers: eugenis, m.ostapenko, ygribov

Subscribers: hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D55157

llvm-svn: 348327
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 74b39ce..1d48863 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1115,6 +1115,11 @@
   }
   Opts.SanitizeAddressGlobalsDeadStripping =
       Args.hasArg(OPT_fsanitize_address_globals_dead_stripping);
+  if (Arg *A = Args.getLastArg(OPT_fsanitize_address_use_odr_indicator,
+                               OPT_fno_sanitize_address_use_odr_indicator)) {
+    Opts.SanitizeAddressUseOdrIndicator =
+        A->getOption().getID() == OPT_fsanitize_address_use_odr_indicator;
+  }
   Opts.SSPBufferSize =
       getLastArgIntValue(Args, OPT_stack_protector_buffer_size, 8, Diags);
   Opts.StackRealignment = Args.hasArg(OPT_mstackrealign);