Merge "Disable ubsan diagnostics under HWASan." am: 31b66c76c8

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1744757

Change-Id: Ib8aaeeb8cb5c77e5eebeeef11bbd1885076f8e71

cc/sanitize.go

@@ -485,6 +485,11 @@ func (sanitize *sanitize) begin(ctx BaseModuleContext) {
 	if Bool(s.Hwaddress) {
 		s.Address = nil
 		s.Thread = nil
+		// Disable ubsan diagnosic as a workaround for a compiler bug.
+		// TODO(b/191808836): re-enable.
+		s.Diag.Undefined = nil
+		s.Diag.Integer_overflow = nil
+		s.Diag.Misc_undefined = nil
 	}
 
 	// TODO(b/131771163): CFI transiently depends on LTO, and thus Fuzzer is