Function LLVMDIBuilderInsertDbgValueRecordBefore 

#[unsafe(no_mangle)]
pub extern "C" fn LLVMDIBuilderInsertDbgValueRecordBefore(
    Builder: LLVMDIBuilderRef,
    Val: LLVMValueRef,
    VarInfo: LLVMMetadataRef,
    Expr: LLVMMetadataRef,
    DebugLoc: LLVMMetadataRef,
    Instr: LLVMValueRef,
) -> LLVMDbgRecordRef