Before:
  runtime ale_linters/asm/gcc.vim

After:
  call ale#linter#Reset()

Execute(The asm GCC handler should parse lines from GCC 6.3.1 correctly):
  AssertEqual
  \ [
  \    {
  \      'lnum': 38,
  \      'text': "too many memory references for `mov'",
  \      'type': 'E',
  \    },
  \    {
  \      'lnum': 42,
  \      'text': "incorrect register `%ax' used with `l' suffix",
  \      'type': 'E',
  \    },
  \ ],
  \ ale_linters#asm#gcc#Handle(357, [
  \   "{standard input}: Assembler messages:",
  \   "{standard_input}:38: Error: too many memory references for `mov'",
  \   "{standard input}:42: Error: incorrect register `%ax' used with `l' suffix",
  \ ])
