1*6c2ded87SDon Hinton // RUN: diagtool find-diagnostic-id warn_unused_variable > %t; FileCheck %s < %t 2*6c2ded87SDon Hinton // RUN: cat %t | xargs diagtool find-diagnostic-id | FileCheck %s --check-prefix=INVERSE 3ada11923SAlex Lorenz // RUN: not diagtool find-diagnostic-id warn_unused_vars 2>&1 | FileCheck --check-prefix=ERROR %s 4ada11923SAlex Lorenz 5ada11923SAlex Lorenz // CHECK: {{^[0-9]+$}} 6*6c2ded87SDon Hinton // INVERSE: warn_unused_variable 7ada11923SAlex Lorenz // ERROR: error: invalid diagnostic 'warn_unused_vars' 8