From 2115cba4ee52099a5fe5611364a69c8b2df99765 Mon Sep 17 00:00:00 2001
From: Marijn Haverbeke <marijnh@gmail.com>
Date: Tue, 28 Feb 2012 10:38:02 +0100
Subject: [PATCH] Bail out of calling tydesc glue in an unreachable context

Closes #1901
---
 src/comp/middle/trans/base.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/comp/middle/trans/base.rs b/src/comp/middle/trans/base.rs
index 0d259d1392e..ded3d737bc5 100644
--- a/src/comp/middle/trans/base.rs
+++ b/src/comp/middle/trans/base.rs
@@ -1286,6 +1286,7 @@ fn lazily_emit_tydesc_glue(ccx: crate_ctxt, field: int,
 fn call_tydesc_glue_full(cx: block, v: ValueRef, tydesc: ValueRef,
                          field: int, static_ti: option<@tydesc_info>) {
     lazily_emit_tydesc_glue(cx.ccx(), field, static_ti);
+    if cx.unreachable { ret; }
 
     let static_glue_fn = none;
     alt static_ti {