SKIP: FAILED

<dawn>/src/tint/lang/msl/writer/printer/printer.cc:355 internal compiler error: buf0 = struct @align(8) {
  resolution:vec2<f32> @offset(0)
}

main_out = struct @align(16) {
  x_GLF_color_1:vec4<f32> @offset(0), @location(0)
}

%b1 = block {  # root
  %gl_FragCoord:ptr<private, vec4<f32>, read_write> = var
  %x_10:ptr<uniform, buf0, read> = var @binding_point(0, 0)
  %x_GLF_color:ptr<private, vec4<f32>, read_write> = var
}

%collatz_i1_ = func(%v:ptr<function, i32, read_write>):i32 -> %b2 {
  %b2 = block {
    %count:ptr<function, i32, read_write> = var
    store %count, 0i
    loop [b: %b3, c: %b4] {  # loop_1
      %b3 = block {  # body
        %7:i32 = load %v
        %8:bool = gt %7, 1i
        if %8 [t: %b5, f: %b6] {  # if_1
          %b5 = block {  # true
            exit_if  # if_1
          }
          %b6 = block {  # false
            exit_loop  # loop_1
          }
        }
        %9:i32 = load %v
        %10:i32 = and %9, 1i
        %11:bool = eq %10, 1i
        if %11 [t: %b7, f: %b8] {  # if_2
          %b7 = block {  # true
            %12:i32 = load %v
            %13:i32 = mul 3i, %12
            %14:i32 = add %13, 1i
            store %v, %14
            exit_if  # if_2
          }
          %b8 = block {  # false
            %15:i32 = load %v
            %16:i32 = div %15, 2i
            store %v, %16
            exit_if  # if_2
          }
        }
        %17:i32 = load %count
        %18:i32 = add %17, 1i
        store %count, %18
        continue %b4
      }
      %b4 = block {  # continuing
        next_iteration %b3
      }
    }
    %x_105:i32 = load %count
    ret %x_105
  }
}
%main_1 = func():void -> %b9 {
  %b9 = block {
    %lin:ptr<function, vec2<f32>, read_write> = var
    %v_1:ptr<function, i32, read_write> = var
    %param:ptr<function, i32, read_write> = var
    %indexable:ptr<function, array<vec4<f32>, 16>, read_write> = var
    %25:vec4<f32> = load %gl_FragCoord
    %26:vec2<f32> = swizzle %25, xy
    %27:ptr<uniform, vec2<f32>, read> = access %x_10, 0u
    %28:vec2<f32> = load %27
    %29:vec2<f32> = div %26, %28
    store %lin, %29
    %30:vec2<f32> = load %lin
    %31:vec2<f32> = mul %30, 8.0f
    %32:vec2<f32> = floor %31
    store %lin, %32
    %33:f32 = load_vector_element %lin, 0u
    %34:i32 = convert %33
    %35:i32 = mul %34, 8i
    %36:f32 = load_vector_element %lin, 1u
    %37:i32 = convert %36
    %38:i32 = add %35, %37
    store %v_1, %38
    %39:i32 = load %v_1
    store %param, %39
    %x_80:i32 = call %collatz_i1_, %param
    store %indexable, array<vec4<f32>, 16>(vec4<f32>(0.0f, 0.0f, 0.0f, 1.0f), vec4<f32>(0.5f, 0.0f, 0.0f, 1.0f), vec4<f32>(0.0f, 0.5f, 0.0f, 1.0f), vec4<f32>(0.5f, 0.5f, 0.0f, 1.0f), vec4<f32>(0.0f, 0.0f, 0.5f, 1.0f), vec4<f32>(0.5f, 0.0f, 0.5f, 1.0f), vec4<f32>(0.0f, 0.5f, 0.5f, 1.0f), vec4<f32>(0.5f, 0.5f, 0.5f, 1.0f), vec4<f32>(0.0f, 0.0f, 0.0f, 1.0f), vec4<f32>(1.0f, 0.0f, 0.0f, 1.0f), vec4<f32>(0.0f, 1.0f, 0.0f, 1.0f), vec4<f32>(1.0f, 1.0f, 0.0f, 1.0f), vec4<f32>(0.0f, 0.0f, 1.0f, 1.0f), vec4<f32>(1.0f, 0.0f, 1.0f, 1.0f), vec4<f32>(0.0f, 1.0f, 1.0f, 1.0f), vec4<f32>(1.0f))
    %41:i32 = mod %x_80, 16i
    %42:ptr<function, vec4<f32>, read_write> = access %indexable, %41
    %43:vec4<f32> = load %42
    store %x_GLF_color, %43
    ret
  }
}
%tint_symbol = @fragment func(%gl_FragCoord_param:vec4<f32> [@position]):main_out -> %b10 {
  %b10 = block {
    store %gl_FragCoord, %gl_FragCoord_param
    %46:void = call %main_1
    %47:vec4<f32> = load %x_GLF_color
    %48:main_out = construct %47
    ret %48
  }
}

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.  *
********************************************************************