From 631cd5845e8de329d0e227aaa707d7ea228b8f8f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:20:29 +0200 Subject: Merging upstream version 1.70.0+dfsg1. Signed-off-by: Daniel Baumann --- tests/run-make/foreign-double-unwind/foo.rs | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 tests/run-make/foreign-double-unwind/foo.rs (limited to 'tests/run-make/foreign-double-unwind/foo.rs') diff --git a/tests/run-make/foreign-double-unwind/foo.rs b/tests/run-make/foreign-double-unwind/foo.rs new file mode 100644 index 000000000..cae8aa940 --- /dev/null +++ b/tests/run-make/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) }; +} -- cgit v1.2.3