llvm/test/FileCheck/no-check-file.txt - llvm-project - Git at Google

 ; RUN: %ProtectFileCheckOutput not FileCheck 2>&1 | FileCheck %s

 CHECK: <check-file> not specified
	; RUN: %ProtectFileCheckOutput not FileCheck 2>&1 \| FileCheck %s

	CHECK: <check-file> not specified