Files
carbon-lang/toolchain/driver/testdata/compile/fail_clang_args.carbon
T
Jon Ross-PerkinsandChandler Carruth 59619fa8eb Make driver fuzzing more robust for clang flags (#5845)
I'm not sure the target in use here will reliably crash over time, but
it does right now, and that seems reasonable...?

Example crash:

```
file_test: external/+llvm_project+llvm-project/clang/lib/Driver/ToolChains/Darwin.h:505: bool clang::driver::toolchains::Darwin::isTargetWatchOSBased() const: Assertion `TargetInitialized && "Target not initialized!"' failed.
```

Stack fragment:

```
...
#10 0x0000562ba07dec33 isTargetWatchOSBased /proc/self/cwd/external/+llvm_project+llvm-project/clang/lib/Driver/ToolChains/Darwin.h:505:5
#11 0x0000562ba07dec33 clang::driver::toolchains::DarwinClang::addClangWarningOptions(llvm::SmallVector<char const*, 16u>&) const /proc/self/cwd/external/+llvm_project+llvm-project/clang/lib/Driver/ToolChains/Darwin.cpp:1188:7
#12 0x0000562ba072afc7 clang::driver::tools::Clang::ConstructJob(clang::driver::Compilation&, clang::driver::JobAction const&, clang::driver::InputInfo const&, llvm::SmallVector<clang::driver::InputInfo, 4u> const&, llvm::opt::ArgList const&, char const*) const /proc/self/cwd/external/+llvm_project+llvm-project/clang/lib/Driver/ToolChains/Clang.cpp:0:6
#13 0x0000562ba06306d8 clang::driver::Driver::BuildJobsForActionNoCache(clang::driver::Compilation&, clang::driver::Action const*, clang::driver::ToolChain const*, llvm::StringRef, bool, bool, char const*, std::__1::map<std::__1::pair<clang::driver::Action const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>>, llvm::SmallVector<clang::driver::InputInfo, 4u>, std::__1::less<std::__1::pair<clang::driver::Action const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>>>, std::__1::allocator<std::__1::pair<std::__1::pair<clang::driver::Action const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>> const, llvm::SmallVector<clang::driver::InputInfo, 4u>>>>&, clang::driver::Action::OffloadKind) const /proc/self/cwd/external/+llvm_project+llvm-project/clang/lib/Driver/Driver.cpp:6083:10
...
#28 0x0000562b9e479d1f Carbon::BuildClangInvocation(Carbon::Diagnostics::Consumer&, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>, llvm::ArrayRef<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>>) /proc/self/cwd/toolchain/base/clang_invocation.cpp:103:21
...
```

---------

Co-authored-by: Chandler Carruth <chandlerc@gmail.com>
2025-07-24 20:00:41 +00:00

19 lines
1.2 KiB
Plaintext

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// ARGS: --include-diagnostic-kind compile --target=x86_64-unknown-linux-gnu --clang-arg=-Wall --clang-arg=-Wextra foo.carbon -- -Wuninitialized -Wno-all -###
//
// SET-CAPTURE-CONSOLE-OUTPUT
// SET-CHECK-SUBSET
// NOAUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/driver/testdata/compile/fail_clang_args.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/driver/testdata/compile/fail_clang_args.carbon
// CHECK:STDERR: {{.*}}clang version {{.*}}
// CHECK:STDERR: InstalledDir: {{.*}}/toolchain/install/prefix_root/lib/carbon/../../lib/carbon/llvm/bin
// CHECK:STDERR: "{{.*}}/toolchain/install/prefix_root/lib/carbon/../../lib/carbon/llvm/bin/clang" "-cc1" {{.*}}"-triple" "x86_64-unknown-linux-gnu" {{.*}}"-fsyntax-only" {{.*}} "-resource-dir" {{.*}} "-Wall" "-Wextra" "-Wuninitialized" "-Wno-all" {{.*}}
// --- foo.carbon