// RUN: env FORCE_CLANG_DIAGNOSTICS_CRASH=1 not %clang -fsyntax-only -x c /dev/null -lstdc++ 2>&1 | FileCheck %s

// FIXME: Investigating. "fatal error: file 'nul' modified since it was first processed"
// XFAIL: windows-gnu

// CHECK: Preprocessed source(s) and associated run script(s) are located at:
// CHECK-NEXT: note: diagnostic msg: {{.*}}null-{{.*}}.c