llvm/clang-tools-extra/clangd/test/check-fail.test

// RUN: cp %s %t.cpp
// RUN: not clangd -enable-config=0 -check=%t.cpp 2>&1 | FileCheck -strict-whitespace %s

// CHECK: Testing on source file {{.*}}check-fail.test
// CHECK: internal (cc1) args are: -cc1
// CHECK: Building preamble...
// CHECK: [pp_file_not_found] Line {{.*}}: 'missing.h' file not found
// CHECK: Building AST...
// CHECK: Testing features at each token
// CHECK: tweak: ExpandDeducedType ==> FAIL
// CHECK: All checks completed, 2 errors

#include "missing.h"
void fun();
auto x = fun;