diff options
| author | Brian Anderson <andersrb@gmail.com> | 2011-04-02 14:12:19 -0400 |
|---|---|---|
| committer | Brian Anderson <andersrb@gmail.com> | 2011-04-02 20:35:50 -0400 |
| commit | 6e6acaa39a2d6e7491ef282e6ca0f6b4db808321 (patch) | |
| tree | c661fa8031f36dc4a642cc48fc59009e763ebb66 | |
| parent | 9d0a505d61e77d6186631552065438aa04944b12 (diff) | |
| download | rust-6e6acaa39a2d6e7491ef282e6ca0f6b4db808321.tar.gz rust-6e6acaa39a2d6e7491ef282e6ca0f6b4db808321.zip | |
Fail on non-exhaustive alt matches
| -rw-r--r-- | src/comp/middle/trans.rs | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/comp/middle/trans.rs b/src/comp/middle/trans.rs index 5b4a08f3f63..b16acfd9d4c 100644 --- a/src/comp/middle/trans.rs +++ b/src/comp/middle/trans.rs @@ -3581,9 +3581,9 @@ fn trans_alt(@block_ctxt cx, @ast.expr expr, vec[ast.arm] arms) this_cx = next_cx; } - // FIXME: This is executed when none of the patterns match; it should fail - // instead! - this_cx.build.Br(last_cx.llbb); + auto default_cx = this_cx; + auto default_res = trans_fail(default_cx, expr.span, + "non-exhaustive match failure"); // FIXME: This is very wrong; we should phi together all the arm blocks, // since this is an expression. |