SKIP: FAILED

#include <metal_stdlib>
using namespace metal;
struct a {
  int a;
};

void f() {
  a const a = a{};
  a const b = a;
  a const a = a{};
  a const b = a;
}
program_source:8:16: error: expected ';' at end of declaration
  a const a = a{};
               ^
               ;
program_source:9:4: error: expected ';' after expression
  a const b = a;
   ^
   ;
program_source:9:11: error: C++ requires a type specifier for all declarations
  a const b = a;
    ~~~~~ ^
program_source:10:4: error: expected ';' after expression
  a const a = a{};
   ^
   ;
program_source:10:11: error: must use 'struct' tag to refer to type 'a' in this scope
  a const a = a{};
          ^
          struct 
program_source:8:11: note: struct 'a' is hidden by a non-type declaration of 'a' here
  a const a = a{};
          ^
program_source:10:13: error: expected unqualified-id
  a const a = a{};
            ^
program_source:11:4: error: expected ';' after expression
  a const b = a;
   ^
   ;
program_source:11:11: error: C++ requires a type specifier for all declarations
  a const b = a;
    ~~~~~ ^
program_source:8:15: warning: variable 'a' is uninitialized when used within its own initialization [-Wuninitialized]
  a const a = a{};
          ~   ^
program_source:9:3: warning: expression result unused [-Wunused-value]
  a const b = a;
  ^
program_source:10:3: warning: expression result unused [-Wunused-value]
  a const a = a{};
  ^
program_source:11:3: warning: expression result unused [-Wunused-value]
  a const b = a;
  ^