F: FnOnce(Block<'blk, 'tcx>, ValueRef, Ty<'tcx>) -> Block<'blk, 'tcx>,
{
let _icx = push_ctxt("tvec::iter_vec_loop");
- let fcx = bcx.fcx;
+ if bcx.unreachable.get() {
+ return bcx;
+ }
+
+ let fcx = bcx.fcx;
let loop_bcx = fcx.new_temp_block("expr_repeat");
let next_bcx = fcx.new_temp_block("expr_repeat: next");
--- /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.
+
+// error-pattern:panic evaluated
+
+#[allow(unused_variables)]
+fn main() {
+ // This used to trigger an LLVM assertion during compilation
+ let x = [panic!("panic evaluated"); 2];
+}