test/DebugInfo/Inputs/Macro.h - third_party/swift - Git at Google

 #define MY_ENUM(NAME) \
   enum NAME : int NAME; \
   enum NAME : int

 MY_ENUM(macro_enum) {
   zero = 0
 };
	#define MY_ENUM(NAME) \
	enum NAME : int NAME; \
	enum NAME : int

	MY_ENUM(macro_enum) {
	zero = 0
	};