Merge pull request #12086 from Homebrew/cc-bash

shims/super/cc: run in bash shell

Library/Homebrew/shims/super/cc

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Make sure this shim uses the same Ruby interpreter that is used by Homebrew.
 if [[ -z "${HOMEBREW_RUBY_PATH}" ]]
 then

Library/Homebrew/test/bash_spec.rb

@@ -48,6 +48,7 @@ describe "Bash" do
         next if path.directory?
         next if path.symlink?
         next unless path.executable?
+        next if path.basename.to_s == "cc" # `bash -n` tries to parse the Ruby part
         next unless path.read(12) == "#!/bin/bash\n"
 
         expect(path).to have_valid_bash_syntax