From c4a56f7368404265a1189d3f3202f4dedfd5d0f1 Mon Sep 17 00:00:00 2001
From: Graydon Hoare <graydon@mozilla.com>
Date: Thu, 10 Feb 2011 11:29:47 -0800
Subject: Commit the trap-failure hack to the runtime, since I keep using it in
 my workspace anyways.

---
 src/rt/rust_upcall.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/rt/rust_upcall.cpp')

diff --git a/src/rt/rust_upcall.cpp b/src/rt/rust_upcall.cpp
index 7e2fac10..46e53048 100644
--- a/src/rt/rust_upcall.cpp
+++ b/src/rt/rust_upcall.cpp
@@ -253,6 +253,10 @@ upcall_fail(rust_task *task,
     task->log(rust_log::UPCALL | rust_log::ERR,
               "upcall fail '%s', %s:%" PRIdPTR, expr, file, line);
     task->fail(4);
+    if (getenv("RUST_TRAP_FAILURE")) {
+        // FIXME: x86-ism.
+        __asm__("int3");
+    }
 }
 
 /**
-- 
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