From f2c78dabf5260f426d9b0faeebae02522a99b8f7 Mon Sep 17 00:00:00 2001
From: Vadim Chugunov <vadimcn@gmail.com>
Date: Sun, 7 Sep 2014 13:19:55 -0700
Subject: Use DWARF4 on Windows.

---
 src/librustc/middle/trans/debuginfo.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/librustc/middle/trans/debuginfo.rs b/src/librustc/middle/trans/debuginfo.rs
index b640f9ef5af..7600e40edc0 100644
--- a/src/librustc/middle/trans/debuginfo.rs
+++ b/src/librustc/middle/trans/debuginfo.rs
@@ -739,7 +739,7 @@ pub fn finalize(cx: &CrateContext) {
             cx.sess().targ_cfg.os == abi::OsiOS {
             "Dwarf Version".with_c_str(
                 |s| llvm::LLVMRustAddModuleFlag(cx.llmod(), s, 2));
-        } else {
+        } else if cx.sess().targ_cfg.os == abi::OsLinux {
             // FIXME(#13611) this is a kludge fix because the Linux bots have
             //               gdb 7.4 which doesn't understand dwarf4, we should
             //               do something more graceful here.
-- 
cgit 1.4.1-3-g733a5