This PR fixes generation of OpConstantFunctionPointerINTEL instruction for the SPIR-V extension SPV_INTEL_function_pointers. Result type of OpConstantFunctionPointerINTEL must be OpTypePointer with Storage Class operand equal to CodeSectionINTEL. See also https://github.com/llvm/llvm-project/pull/116636 CC: @MrSidims