1### Compilation failed: 2 3error: SPIR-V validation error: Member index 0 is missing a location assignment 4 %s = OpTypeStruct %int 5 6OpCapability Shader 7%1 = OpExtInstImport "GLSL.std.450" 8OpMemoryModel Logical GLSL450 9OpEntryPoint Fragment %main "main" %3 %sk_Clockwise 10OpExecutionMode %main OriginUpperLeft 11OpName %s "s" 12OpMemberName %s 0 "I" 13OpName %sk_Clockwise "sk_Clockwise" 14OpName %main "main" 15OpMemberDecorate %s 0 Offset 0 16OpDecorate %s Block 17OpDecorate %sk_Clockwise BuiltIn FrontFacing 18%int = OpTypeInt 32 1 19%s = OpTypeStruct %int 20%_ptr_Input_s = OpTypePointer Input %s 21%3 = OpVariable %_ptr_Input_s Input 22%bool = OpTypeBool 23%_ptr_Input_bool = OpTypePointer Input %bool 24%sk_Clockwise = OpVariable %_ptr_Input_bool Input 25%void = OpTypeVoid 26%11 = OpTypeFunction %void 27%main = OpFunction %void None %11 28%12 = OpLabel 29OpReturn 30OpFunctionEnd 31 321 error 33