| // RUN: rm -f %t | |
| // RUN: %clang -fsyntax-only %s -Wblahblah --serialize-diagnostics %t > /dev/null 2>&1 | |
| // RUN: c-index-test -read-diagnostics %t 2>&1 | FileCheck %s | |
| // This test case tests that we can handle frontend diagnostics. | |
| // CHECK: warning: unknown warning option '-Wblahblah' | |
| // CHECK: Number of diagnostics: 1 |