test/MC/AsmParser/purgem.s - llvm - Git at Google

 # RUN: not llvm-mc -triple i386-unknown-unknown %s 2>&1 | FileCheck %s

 .macro foo
 .err
 .endm

 .purgem bar
 # CHECK: error: macro 'bar' is not defined

 .purgem foo
 foo
 # CHECK: error: invalid instruction mnemonic 'foo'
	# RUN: not llvm-mc -triple i386-unknown-unknown %s 2>&1 \| FileCheck %s

	.macro foo
	.err
	.endm

	.purgem bar
	# CHECK: error: macro 'bar' is not defined

	.purgem foo
	foo
	# CHECK: error: invalid instruction mnemonic 'foo'