Regression with @extends and @media

[xzyfer]

@mgreter this regression was introduced recently in b96723b. This is currently the last issue blocking 3.3.5.

Spec sass/sass-spec#770

@mixin foo() {
  @media (mix-width: 100px) {
    @extend %bar;
  }
}

foo {
  @media (mix-width: 100px) {
    %bar {
      foo: bar;
    }
  }

  @include foo;
}

Ruby Sass

@media (mix-width: 100px) {
  foo foo {
    foo: bar; } }

LibSass

Error: You may not @extend an outer selector from within @media.
       You may only @extend selectors within the same directive.
       From "@extend %bar" on line 3 of test.scss
        on line 7 of test.scss
>> foo {