src/glsl/glcpp/tests/082-invalid-paste.c - third_party/mesa - Git at Google

 #define PASTE(x,y) x ## y
 PASTE(<,>)
 PASTE(0,abc)
 PASTE(1,=)
 PASTE(2,@)
 PASTE(3,-4)
 PASTE(4,+5.2)
	#define PASTE(x,y) x ## y
	PASTE(<,>)
	PASTE(0,abc)
	PASTE(1,=)
	PASTE(2,@)
	PASTE(3,-4)
	PASTE(4,+5.2)