Merge pull request #13971 from gottesmm/pr-72a638e3dd41744f4943fbeafb1e00d8dc0e1ad1

Author: swift-ci

include/swift/Runtime/Config.h

@@ -249,4 +249,16 @@
 
 #endif
 
+// These are temporary macros during the +0 cc exploration to cleanly support
+// both +0 and +1 in the runtime.
+#ifndef SWIFT_RUNTIME_ENABLE_GUARANTEED_NORMAL_ARGUMENTS
+#define SWIFT_NS_RELEASES_ARGUMENT NS_RELEASES_ARGUMENT
+#define SWIFT_CC_PLUSONE_GUARD(...) do { __VA_ARGS__ ; } while (0)
+#define SWIFT_CC_PLUSZERO_GUARD(...)
+#else
+#define SWIFT_NS_RELEASES_ARGUMENT
+#define SWIFT_CC_PLUSONE_GUARD(...)
+#define SWIFT_CC_PLUSZERO_GUARD(...)  do { __VA_ARGS__ ; } while (0)
+#endif
+
 #endif // SWIFT_RUNTIME_CONFIG_H