}
}
+ /// Manipulate cleanup scope for call arguments. Conceptually, each
+ /// argument to a call is an lvalue, and performing the call moves each
+ /// of the arguments into a new rvalue (which gets cleaned up by the
+ /// callee). As an optimization, instead of actually performing all of
+ /// those moves, trans just manipulates the cleanup scope to obtain the
+ /// same effect.
pub fn drop_non_lifetime_clean(&mut self) {
self.cleanups.retain(|c| c.is_lifetime_end());
+ self.clear_cached_exits();
}
}
--- /dev/null
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use std::thread;
+
+struct Foo(i32);
+
+impl Drop for Foo {
+ fn drop(&mut self) {
+ static mut DROPPED: bool = false;
+ unsafe {
+ assert!(!DROPPED);
+ DROPPED = true;
+ }
+ }
+}
+
+struct Empty;
+
+fn empty() -> Empty { Empty }
+
+fn should_panic(_: Foo, _: Empty) {
+ panic!("test panic");
+}
+
+fn test() {
+ should_panic(Foo(1), empty());
+}
+
+fn main() {
+ let ret = thread::spawn(test).join();
+ assert!(ret.is_err());
+}