`@section` is not allowed for static local variables

[cbuttner]

module test;
import std::io;

fn void main() {
  static int foo @section("mysection");
}

 2: import std::io;
 3: 
 4: fn void main() {
 5:   static int foo @section("mysection");
                     ^^^^^^^^
/tmp/test/src/main.c3:5:18: error: '@section' is not a valid local variable attribute.