//@ compile-flags: -C panic=abort // Test that `nounwind` attributes are also applied to extern `C-unwind` Rust functions // when the code is compiled with `panic=abort`. #![crate_type = "lib"] // CHECK: @rust_item_that_can_unwind() unnamed_addr [[ATTR0:#[0-9]+]] #[no_mangle] pub unsafe extern "C-unwind" fn rust_item_that_can_unwind() { // Handle both legacy and v0 symbol mangling. // CHECK: call void @{{.*core9panicking19panic_cannot_unwind}} may_unwind(); } extern "C-unwind" { // CHECK: @may_unwind() unnamed_addr [[ATTR1:#[0-9]+]] fn may_unwind(); } // Now, make sure that the LLVM attributes for this functions are correct. First, make // sure that the first item is correctly marked with the `nounwind` attribute: // // CHECK: attributes [[ATTR0]] = { {{.*}}nounwind{{.*}} } // // Now, check that foreign item is correctly marked without the `nounwind` attribute. // CHECK-NOT: attributes [[ATTR1]] = { {{.*}}nounwind{{.*}} }