1 files changed, 8 insertions, 0 deletions
diff --git a/source/core/common.h b/source/core/common.h
index dbb837821..3a4543085 100644
--- a/source/core/common.h
+++ b/source/core/common.h
@@ -43,6 +43,14 @@ namespace Slang
 #define SLANG_RETURN_NEVER /* empty */
 #endif
 
+#ifdef _MSC_VER
+#define UNREACHABLE_RETURN(x)
+#define UNREACHABLE(x)
+#else
+#define UNREACHABLE_RETURN(x) return x;
+#define UNREACHABLE(x) x;
+#endif
+
     SLANG_RETURN_NEVER void signalUnexpectedError(char const* message);
 }