test/MC/AsmParser/macro-err1.s - platform/external/llvm - Git at Google

 // RUN: not llvm-mc -triple x86_64-unknown-unknown %s 2> %t
 // RUN: FileCheck < %t %s

 .macro foo bar
         .long \bar
 .endm

 foo 42,  42

 // CHECK: Too many arguments
	// RUN: not llvm-mc -triple x86_64-unknown-unknown %s 2> %t
	// RUN: FileCheck < %t %s

	.macro foo bar
	.long \bar
	.endm

	foo 42, 42

	// CHECK: Too many arguments