From 63d6f054c41dbab165aad898750adcda2f705f35 Mon Sep 17 00:00:00 2001
From: Misty De Meo <mistydemeo@gmail.com>
Date: Sat, 12 Apr 2014 11:28:24 -0700
Subject: [PATCH] CompilerFailure: don't mutate compiler hashes

Fixes Homebrew/homebrew#28357.
---
 Library/Homebrew/compilers.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/compilers.rb b/Library/Homebrew/compilers.rb
index 7473f12a7f..d545606afd 100644
--- a/Library/Homebrew/compilers.rb
+++ b/Library/Homebrew/compilers.rb
@@ -61,7 +61,7 @@ class CompilerFailure
     # Non-Apple compilers are in the format fails_with compiler => version
     if compiler.is_a? Hash
       # currently the only compiler for this case is GCC
-      _, @major_version = compiler.shift
+      _, @major_version = compiler.first
       @compiler = 'gcc-' + @major_version
     else
       @compiler = compiler