SKIP: FAILED

../../src/tint/lang/msl/writer/printer/printer.cc:500 internal compiler error: $B1: {  # root
  %a:ptr<push_constant, i32, read_write> = var
  %b:ptr<push_constant, i32, read_write> = var
  %c:ptr<push_constant, i32, read_write> = var
}

%uses_a = func():void {
  $B2: {
    %5:i32 = load %a
    %foo:i32 = let %5
    ret
  }
}
%uses_uses_a = func():void {
  $B3: {
    %8:void = call %uses_a
    ret
  }
}
%uses_b = func():void {
  $B4: {
    %10:i32 = load %b
    %foo_1:i32 = let %10  # %foo_1: 'foo'
    ret
  }
}
%main1 = @compute @workgroup_size(1, 1, 1) func():void {
  $B5: {
    %13:void = call %uses_a
    ret
  }
}
%main2 = @compute @workgroup_size(1, 1, 1) func():void {
  $B6: {
    %15:void = call %uses_uses_a
    ret
  }
}
%main3 = @compute @workgroup_size(1, 1, 1) func():void {
  $B7: {
    %17:void = call %uses_b
    ret
  }
}
%main4 = @compute @workgroup_size(1, 1, 1) func():void {
  $B8: {
    ret
  }
}

unhandled variable address space
********************************************************************
*  The tint shader compiler has encountered an unexpected error.   *
*                                                                  *
*  Please help us fix this issue by submitting a bug report at     *
*  crbug.com/tint with the source program that triggered the bug.  *
********************************************************************