[compiler-rt] Silence function cast warning when building with Clang ToT targetting Windows

Author: aganea

compiler-rt/lib/fuzzer/FuzzerUtilWindows.cpp

@@ -238,6 +238,11 @@ size_t PageSize() {
   return PageSizeCached;
 }
 
+#if defined(__clang__)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wcast-function-type-mismatch"
+#endif
+
 void SetThreadName(std::thread &thread, const std::string &name) {
   typedef HRESULT(WINAPI * proc)(HANDLE, PCWSTR);
   HMODULE kbase = GetModuleHandleA("KernelBase.dll");
@@ -255,6 +260,10 @@ void SetThreadName(std::thread &thread, const std::string &name) {
   }
 }
 
+#if defined(__clang__)
+#pragma clang diagnostic pop
+#endif
+
 } // namespace fuzzer
 
 #endif // LIBFUZZER_WINDOWS

compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_win.cpp

@@ -55,6 +55,11 @@ bool TrySymInitialize() {
 
 }  // namespace
 
+#  if defined(__clang__)
+#    pragma clang diagnostic push
+#    pragma clang diagnostic ignored "-Wcast-function-type-mismatch"
+#  endif
+
 // Initializes DbgHelp library, if it's not yet initialized. Calls to this
 // function should be synchronized with respect to other calls to DbgHelp API
 // (e.g. from WinSymbolizerTool).
@@ -133,6 +138,10 @@ void InitializeDbgHelpIfNeeded() {
   }
 }
 
+#  if defined(__clang__)
+#    pragma clang diagnostic pop
+#  endif
+
 bool WinSymbolizerTool::SymbolizePC(uptr addr, SymbolizedStack *frame) {
   InitializeDbgHelpIfNeeded();