Merge pull request #2769 from MikeMcQuaid/rubocop-no-perl-backrefs1.2.3

rubocop: don’t allow Perl regex backrefs.

2 files changed, 2 insertions, 2 deletions

diff --git a/Library/Homebrew/extend/ENV/std.rb b/Library/Homebrew/extend/ENV/std.rb
index 4a871f9bb..a2e800803 100644
--- a/Library/Homebrew/extend/ENV/std.rb
+++ b/Library/Homebrew/extend/ENV/std.rb
@@ -200,7 +200,7 @@ module Stdenv
   # @private
   def set_cpu_flags(flags, default = DEFAULT_FLAGS, map = Hardware::CPU.optimization_flags)
     cflags =~ /(-Xarch_#{Hardware::CPU.arch_32_bit} )-march=/
-    xarch = $1.to_s
+    xarch = Regexp.last_match(1).to_s
     remove flags, /(-Xarch_#{Hardware::CPU.arch_32_bit} )?-march=\S*/
     remove flags, /( -Xclang \S+)+/
     remove flags, /-mssse3/
diff --git a/Library/Homebrew/extend/ENV/super.rb b/Library/Homebrew/extend/ENV/super.rb
index ef41161af..692fd3623 100644
--- a/Library/Homebrew/extend/ENV/super.rb
+++ b/Library/Homebrew/extend/ENV/super.rb
@@ -266,7 +266,7 @@ module Superenv
 
   def make_jobs
     self["MAKEFLAGS"] =~ /-\w*j(\d+)/
-    [$1.to_i, 1].max
+    [Regexp.last_match(1).to_i, 1].max
   end
 
   def universal_binary