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Fix crash if initializing Clang fails. (#7248)

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Flush diagnostics before destroying Clang. If we see an `inline Cpp` and
`Cpp` initialization failed, recover by skipping the inline code rather
than CHECK-failing.
This commit is contained in:
Richard Smith
2026-05-21 21:21:50 +00:00
committed by GitHub
parent ad97b9e3a5
commit 805b3eebce
3 changed files with 44 additions and 8 deletions
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toolchain/check/testdata/interop/cpp/basics/import/bad_args.carbon
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// 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
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/none.carbon
// EXTRA-ARGS: --clang-arg=-fmodules --clang-arg=-fmodule-file=nonexistent.pcm
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/basics/import/bad_args.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/basics/import/bad_args.carbon
// CHECK:STDERR: error: module file 'nonexistent.pcm' not found [CppInteropParseError]
// CHECK:STDERR:
// --- fail_use_cpp.carbon
library "[[@TEST_NAME]]";
import Cpp;
inline Cpp '''
int n;
''';