|  | ; RUN: FileCheck -input-file %s %s -check-prefix=CHECKOK | 
|  | ; RUN: not FileCheck -input-file %s %s -check-prefix=CHECKFAIL 2>&1 | FileCheck %s -check-prefix=CHECKERROR | 
|  |  | 
|  | label0: | 
|  | a | 
|  | b | 
|  |  | 
|  | label1: | 
|  | b | 
|  | c | 
|  |  | 
|  | label2: | 
|  | a | 
|  | c | 
|  |  | 
|  | ; CHECKOK-LABEL: {{^}}label0: | 
|  | ; CHECKOK: {{^}}a | 
|  | ; CHECKOK: {{^}}b | 
|  |  | 
|  | ; CHECKOK-LABEL: {{^}}label1: | 
|  | ; CHECKOK: {{^}}b | 
|  | ; CHECKOK: {{^}}c | 
|  |  | 
|  | ; CHECKOK-LABEL: {{^}}label2: | 
|  | ; CHECKOK: {{^}}a | 
|  | ; CHECKOK: {{^}}c | 
|  |  | 
|  | ; CHECKFAIL-LABEL: {{^}}label0: | 
|  | ; CHECKFAIL: {{^}}a | 
|  | ; CHECKFAIL: {{^}}b | 
|  | ; CHECKFAIL: {{^}}c | 
|  |  | 
|  | ; CHECKERROR: expected string not found in input | 
|  | ; CHECKERROR-NEXT: CHECKFAIL: {{[{][{]\^[}][}]}}c | 
|  |  | 
|  | ; CHECKFAIL-LABEL: {{^}}label1: | 
|  | ; CHECKFAIL: {{^}}a | 
|  | ; CHECKFAIL: {{^}}b | 
|  | ; CHECKFAIL: {{^}}c | 
|  |  | 
|  | ; CHECKERROR: expected string not found in input | 
|  | ; CHECKERROR-NEXT: CHECKFAIL: {{[{][{]\^[}][}]}}a | 
|  |  | 
|  | ; CHECKFAIL-LABEL: {{^}}label2: | 
|  | ; CHECKFAIL: {{^}}a | 
|  | ; CHECKFAIL: {{^}}b | 
|  | ; CHECKFAIL: {{^}}c | 
|  |  | 
|  | ; CHECKERROR: expected string not found in input | 
|  | ; CHECKERROR-NEXT: CHECKFAIL: {{[{][{]\^[}][}]}}b | 
|  |  |