Restore ARGV even if an exception is raised

Library/Homebrew/extend/ARGV.rb

@@ -181,10 +181,9 @@ module HomebrewArgvExtension
     flags_to_clear.concat %w[--verbose -v] if quieter?
     flags_to_clear.each {|flag| delete flag}
 
-    ret = yield
-
-    replace old_args
-    ret
+    yield
+  ensure
+    replace(old_args)
   end
 
   private