[asan] Add gcc 8's driver option -fsanitize=pointer-compare and -fsanitize=pointer-substract.
Disabled by default as this is still an experimental feature.
Reviewed By: thakis
Differential Revision: https://reviews.llvm.org/D59221
llvm-svn: 358285
diff --git a/clang/lib/Driver/ToolChains/CrossWindows.cpp b/clang/lib/Driver/ToolChains/CrossWindows.cpp
index 959dfd2..bd3a6e1 100644
--- a/clang/lib/Driver/ToolChains/CrossWindows.cpp
+++ b/clang/lib/Driver/ToolChains/CrossWindows.cpp
@@ -277,6 +277,8 @@
clang::SanitizerMask CrossWindowsToolChain::getSupportedSanitizers() const {
SanitizerMask Res = ToolChain::getSupportedSanitizers();
Res |= SanitizerKind::Address;
+ Res |= SanitizerKind::PointerCompare;
+ Res |= SanitizerKind::PointerSubtract;
return Res;
}