SKIP: FAILED

#include <metal_stdlib>
using namespace metal;

void f() {
  int a = 0;
  int b = a;
  int a = 0;
  int b = a;
}
program_source:7:7: error: redefinition of 'a'
  int a = 0;
      ^
program_source:5:7: note: previous definition is here
  int a = 0;
      ^
program_source:8:7: error: redefinition of 'b'
  int b = a;
      ^
program_source:6:7: note: previous definition is here
  int b = a;
      ^