[cfe-dev] Enabling ThreadSanitizer on PPC64(BE/LE) plarforms

[simoatze]

Summary

Enabling ThreadSanitizer on PPC64(BE/LE) platforms. The current patch will enable the flag "-fsanitize=thread" on Clang on PPC64 systems.

[simoatze]

Added more context.

[simoatze]

Ignore previous update.

[hfinkel]

LGTM, although don't commit until any necessary backend/compiler-rt patches are in.

[samsonov]

LGTM

[wschmidt]

Committed as r255067.

lib/Driver/ToolChains.cpp

SanitizerMask Linux::getSupportedSanitizers() const {
   SanitizerMask Res = ToolChain::getSupportedSanitizers();
   Res |= SanitizerKind::Address;
   Res |= SanitizerKind::KernelAddress;
   Res |= SanitizerKind::Vptr;
   if (IsX86_64 || IsMIPS64 || IsAArch64)
     Res |= SanitizerKind::DataFlow;
   if (IsX86_64 || IsMIPS64)
     Res |= SanitizerKind::Leak;
-  if (IsX86_64 || IsMIPS64 || IsAArch64)
+  if (IsX86_64 || IsMIPS64 || IsAArch64 || IsPowerPC64)
     Res |= SanitizerKind::Thread;
   if (IsX86_64 || IsMIPS64 || IsPowerPC64)
     Res |= SanitizerKind::Memory;
   if (IsX86 || IsX86_64) {
     Res |= SanitizerKind::Function;
     Res |= SanitizerKind::SafeStack;
   }
   return Res;