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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/run-make-fulldeps/foreign-double-unwind/foo.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/run-make-fulldeps/foreign-double-unwind/foo.rs')
-rw-r--r-- | src/test/run-make-fulldeps/foreign-double-unwind/foo.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/run-make-fulldeps/foreign-double-unwind/foo.rs b/src/test/run-make-fulldeps/foreign-double-unwind/foo.rs new file mode 100644 index 000000000..cae8aa940 --- /dev/null +++ b/src/test/run-make-fulldeps/foreign-double-unwind/foo.rs @@ -0,0 +1,26 @@ +// Tests that C++ double unwinding through Rust code will be properly guarded +// against instead of exhibiting undefined behaviour. + +#![feature(c_unwind)] + +extern "C-unwind" { + fn throw_cxx_exception(); + fn cxx_catch_callback(cb: extern "C-unwind" fn()); +} + +struct ThrowOnDrop; + +impl Drop for ThrowOnDrop { + fn drop(&mut self) { + unsafe { throw_cxx_exception() }; + } +} + +extern "C-unwind" fn test_double_unwind() { + let _a = ThrowOnDrop; + let _b = ThrowOnDrop; +} + +fn main() { + unsafe { cxx_catch_callback(test_double_unwind) }; +} |