Add an experimental flag -fsanitize-memory-use-after-dtor.
This flag will enable detection of use-after-destructor (but before
memory deallocation) bugs. No actual functionality yet.
https://code.google.com/p/address-sanitizer/issues/detail?id=73
Patch by Naomi Musgrave.
llvm-svn: 241935
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 49823be..baee119 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -557,6 +557,8 @@
Args.hasArg(OPT_fsanitize_coverage_8bit_counters);
Opts.SanitizeMemoryTrackOrigins =
getLastArgIntValue(Args, OPT_fsanitize_memory_track_origins_EQ, 0, Diags);
+ Opts.SanitizeMemoryUseAfterDtor =
+ Args.hasArg(OPT_fsanitize_memory_use_after_dtor);
Opts.SSPBufferSize =
getLastArgIntValue(Args, OPT_stack_protector_buffer_size, 8, Diags);
Opts.StackRealignment = Args.hasArg(OPT_mstackrealign);