[cfe-commits] [PATCH] [msan] Support -fsanitize-memory-track-origins

[Alexey Samsonov]

================
Comment at: lib/Driver/Tools.cpp:1500
@@ +1499,3 @@
+    D.Diag(diag::err_drv_argument_only_allowed_with)
+      << TOArg->getAsString(Args) << "-fsanitize=memory";
+  MsanTrackOrigins = TOArg &&
----------------
Do we want to allow "clang++ -fsanitize=address -fno-sanitize-memory-track-origins"? (this is weird, but why not). If we do, you may use Args.hasFlag instead of getLastArg


http://llvm-reviews.chandlerc.com/D224