Cache options hash lookup on the stack

1 files changed, 4 insertions, 2 deletions

diff --git a/Library/Homebrew/keg_fix_install_names.rb b/Library/Homebrew/keg_fix_install_names.rb
index 7a827b3d4..f94c1facc 100644
--- a/Library/Homebrew/keg_fix_install_names.rb
+++ b/Library/Homebrew/keg_fix_install_names.rb
@@ -72,11 +72,13 @@ class Keg
   # lib/, and ignores binaries and other mach-o objects
   # Note that this doesn't attempt to distinguish between libstdc++ versions,
   # for instance between Apple libstdc++ and GNU libstdc++
-  def detect_cxx_stdlibs(opts={:skip_executables => false})
+  def detect_cxx_stdlibs(options={})
+    options = { :skip_executables => false }.merge(options)
+    skip_executables = options[:skip_executables]
     results = Set.new
 
     mach_o_files.each do |file|
-      next if file.mach_o_executable? && opts[:skip_executables]
+      next if file.mach_o_executable? && skip_executables
       dylibs = file.dynamically_linked_libraries
       results << :libcxx unless dylibs.grep(/libc\+\+.+\.dylib/).empty?
       results << :libstdcxx unless dylibs.grep(/libstdc\+\+.+\.dylib/).empty?