[asan] Added -fsanitize-address-use-after-scope flag
Summary:
Also emit lifetime markers for -fsanitize-address-use-after-scope.
Asan uses life-time markers for use-after-scope check.
PR27453
Reviewers: kcc, eugenis, aizatsky
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D20759
llvm-svn: 271451
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 42ce6df..a948653 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -490,7 +490,7 @@
Opts.LTOVisibilityPublicStd = Args.hasArg(OPT_flto_visibility_public_std);
Opts.SplitDwarfFile = Args.getLastArgValue(OPT_split_dwarf_file);
Opts.DebugTypeExtRefs = Args.hasArg(OPT_dwarf_ext_refs);
- Opts.DebugExplicitImport = Triple.isPS4CPU();
+ Opts.DebugExplicitImport = Triple.isPS4CPU();
for (const auto &Arg : Args.getAllArgValues(OPT_fdebug_prefix_map_EQ))
Opts.DebugPrefixMap.insert(StringRef(Arg).split('='));
@@ -707,6 +707,8 @@
Args.hasArg(OPT_fsanitize_memory_use_after_dtor);
Opts.SanitizeCfiCrossDso = Args.hasArg(OPT_fsanitize_cfi_cross_dso);
Opts.SanitizeStats = Args.hasArg(OPT_fsanitize_stats);
+ Opts.SanitizeAddressUseAfterScope =
+ Args.hasArg(OPT_fsanitize_address_use_after_scope);
Opts.SSPBufferSize =
getLastArgIntValue(Args, OPT_stack_protector_buffer_size, 8, Diags);
Opts.StackRealignment = Args.hasArg(OPT_mstackrealign);