| //@ compile-flags: -C panic=unwind -Copt-level=0 |
| //@ needs-unwind |
| //@ only-wasm32 |
| |
| #![crate_type = "lib"] |
| |
| // Test that `panic_in_cleanup` is called on webassembly targets when a panic |
| // occurs in a destructor during unwinding. |
| |
| extern "Rust" { |
| fn may_panic(); |
| } |
| |
| struct PanicOnDrop; |
| |
| impl Drop for PanicOnDrop { |
| fn drop(&mut self) { |
| unsafe { may_panic() } |
| } |
| } |
| |
| // CHECK-LABEL: @double_panic |
| // CHECK: invoke void @may_panic() |
| // CHECK: invoke void @{{.+}}drop_in_place{{.+}} |
| // CHECK: unwind label %[[TERMINATE:.*]] |
| // |
| // CHECK: [[TERMINATE]]: |
| // CHECK: call void @{{.*panic_in_cleanup}} |
| // CHECK: unreachable |
| #[no_mangle] |
| pub fn double_panic() { |
| let _guard = PanicOnDrop; |
| unsafe { may_panic() } |
| } |
