Reland "[Driver] Update default sanitizer blacklist location"

This is related to moving the sanitizer blacklists to share/
subdirectory.

Differential Revision: https://reviews.llvm.org/D41706

llvm-svn: 322258

clang/lib/Driver/SanitizerArgs.cpp

@@ -112,7 +112,7 @@ static bool getDefaultBlacklist(const Driver &D, SanitizerMask Kinds,
 
   if (BlacklistFile) {
     clang::SmallString<64> Path(D.ResourceDir);
-    llvm::sys::path::append(Path, BlacklistFile);
+    llvm::sys::path::append(Path, "share", BlacklistFile);
     BLPath = Path.str();
     return true;
   }