SKIP: FAILED

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

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

%b1 = block {  # root
  %x_GLF_color:ptr<private, vec4<f32>, read_write> = var
  %gl_FragCoord:ptr<private, vec4<f32>, read_write> = var
  %x_8:ptr<uniform, buf0, read> = var @binding_point(0, 0)
}

%main_1 = func():void -> %b2 {
  %b2 = block {
    %odd_index:ptr<function, i32, read_write> = var
    %even_index:ptr<function, i32, read_write> = var
    %j:ptr<function, i32, read_write> = var
    %ll:ptr<function, i32, read_write> = var
    %x_59:ptr<function, bool, read_write> = var
    %x_60_phi:ptr<function, bool, read_write> = var
    store %x_GLF_color, vec4<f32>(1.0f, 0.0f, 0.0f, 1.0f)
    %x_53:f32 = load_vector_element %gl_FragCoord, 0u
    %x_54:bool = lt %x_53, 128.0f
    store %x_60_phi, %x_54
    if %x_54 [t: %b3] {  # if_1
      %b3 = block {  # true
        %x_58:f32 = load_vector_element %gl_FragCoord, 1u
        %14:bool = lt %x_58, 128.0f
        store %x_59, %14
        %15:bool = load %x_59
        store %x_60_phi, %15
        exit_if  # if_1
      }
    }
    %x_60:bool = load %x_60_phi
    if %x_60 [t: %b4] {  # if_2
      %b4 = block {  # true
        ret
      }
    }
    store %odd_index, 0i
    loop [b: %b5, c: %b6] {  # loop_1
      %b5 = block {  # body
        %x_11:i32 = load %odd_index
        %18:bool = lte %x_11, 1i
        if %18 [t: %b7, f: %b8] {  # if_3
          %b7 = block {  # true
            exit_if  # if_3
          }
          %b8 = block {  # false
            exit_loop  # loop_1
          }
        }
        %x_70:f32 = load_vector_element %x_GLF_color, 0u
        %20:f32 = add %x_70, 0.25f
        store_vector_element %x_GLF_color, 0u, %20
        %x_12:i32 = load %odd_index
        %22:i32 = add %x_12, 1i
        store %odd_index, %22
        continue %b6
      }
      %b6 = block {  # continuing
        next_iteration %b5
      }
    }
    store %even_index, 1i
    loop [b: %b9, c: %b10] {  # loop_2
      %b9 = block {  # body
        %x_14:i32 = load %even_index
        %24:bool = gte %x_14, 0i
        if %24 [t: %b11, f: %b12] {  # if_4
          %b11 = block {  # true
            exit_if  # if_4
          }
          %b12 = block {  # false
            exit_loop  # loop_2
          }
        }
        %x_80:f32 = load_vector_element %x_GLF_color, 0u
        %26:f32 = add %x_80, 0.25f
        store_vector_element %x_GLF_color, 0u, %26
        %27:ptr<uniform, vec2<f32>, read> = access %x_8, 0u
        %x_84:f32 = load_vector_element %27, 0u
        %29:ptr<uniform, vec2<f32>, read> = access %x_8, 0u
        %x_86:f32 = load_vector_element %29, 1u
        %31:bool = gt %x_84, %x_86
        if %31 [t: %b13] {  # if_5
          %b13 = block {  # true
            continue %b10
          }
        }
        %x_15:i32 = load %even_index
        %33:bool = gte %x_15, 1i
        if %33 [t: %b14] {  # if_6
          %b14 = block {  # true
            discard
            exit_if  # if_6
          }
        }
        store %j, 1i
        loop [b: %b15, c: %b16] {  # loop_3
          %b15 = block {  # body
            if true [t: %b17, f: %b18] {  # if_7
              %b17 = block {  # true
                exit_if  # if_7
              }
              %b18 = block {  # false
                exit_loop  # loop_3
              }
            }
            %x_16:i32 = load %ll
            %35:bool = gte %x_16, 3i
            if %35 [t: %b19] {  # if_8
              %b19 = block {  # true
                exit_loop  # loop_3
              }
            }
            %x_17:i32 = load %ll
            %37:i32 = add %x_17, 1i
            store %ll, %37
            %x_19:i32 = load %j
            %39:u32 = bitcast %x_19
            %40:bool = lt %39, 1u
            if %40 [t: %b20] {  # if_9
              %b20 = block {  # true
                continue %b16
              }
            }
            %41:ptr<uniform, vec2<f32>, read> = access %x_8, 0u
            %x_106:f32 = load_vector_element %41, 0u
            %43:ptr<uniform, vec2<f32>, read> = access %x_8, 0u
            %x_108:f32 = load_vector_element %43, 1u
            %45:bool = gt %x_106, %x_108
            if %45 [t: %b21] {  # if_10
              %b21 = block {  # true
                exit_loop  # loop_3
              }
            }
            continue %b16
          }
          %b16 = block {  # continuing
            %x_20:i32 = load %j
            %47:i32 = add %x_20, 1i
            store %j, %47
            next_iteration %b15
          }
        }
        %48:ptr<uniform, vec2<f32>, read> = access %x_8, 0u
        %x_113:f32 = load_vector_element %48, 0u
        %50:ptr<uniform, vec2<f32>, read> = access %x_8, 0u
        %x_115:f32 = load_vector_element %50, 1u
        %52:bool = gt %x_113, %x_115
        if %52 [t: %b22] {  # if_11
          %b22 = block {  # true
            store %x_GLF_color, vec4<f32>(1.0f)
            exit_if  # if_11
          }
        }
        %x_22:i32 = load %even_index
        %54:i32 = sub %x_22, 1i
        store %even_index, %54
        continue %b10
      }
      %b10 = block {  # continuing
        next_iteration %b9
      }
    }
    ret
  }
}
%tint_symbol = @fragment func(%gl_FragCoord_param:vec4<f32> [@position]):main_out -> %b23 {
  %b23 = block {
    store %gl_FragCoord, %gl_FragCoord_param
    %57:void = call %main_1
    %58:vec4<f32> = load %x_GLF_color
    %59:main_out = construct %58
    ret %59
  }
}

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