[MSan] Add flag to disable use-after-dtor.
Summary: Flag is -fno-sanitize-use-after-dtor.
Reviewers: vitalybuka, eugenis, kcc
Reviewed By: vitalybuka, eugenis
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D37867
llvm-svn: 313314
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 3321dac..c4e8976 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -830,7 +830,9 @@
Opts.SanitizeMemoryTrackOrigins =
getLastArgIntValue(Args, OPT_fsanitize_memory_track_origins_EQ, 0, Diags);
Opts.SanitizeMemoryUseAfterDtor =
- Args.hasArg(OPT_fsanitize_memory_use_after_dtor);
+ Args.hasFlag(OPT_fsanitize_memory_use_after_dtor,
+ OPT_fno_sanitize_memory_use_after_dtor,
+ false);
Opts.SanitizeMinimalRuntime = Args.hasArg(OPT_fsanitize_minimal_runtime);
Opts.SanitizeCfiCrossDso = Args.hasArg(OPT_fsanitize_cfi_cross_dso);
Opts.SanitizeStats = Args.hasArg(OPT_fsanitize_stats);