1; RUN: not FileCheck -input-file %s %s -check-prefix=FOO -check-prefix=BAR 2>&1 | FileCheck %s 2; RUN: not FileCheck -input-file %s %s -check-prefixes=FOO,BAR 2>&1 | FileCheck %s 3; RUN: not FileCheck -input-file %s %s -check-prefixes=BAR,FOO 2>&1 | FileCheck %s 4 5BAR 6bar 7foo 8; BAR: ba{{z}} 9; FOO: fo{{o}} 10 11; CHECK: {{error: expected string not found in input}} 12; CHECK-NEXT: {{B}}AR: ba{{[{][{]z[}][}]}} 13