================ @@ -35,6 +35,11 @@ struct AArch64FunctionInfo; class AArch64Subtarget; class MachineInstr; +struct TPIDR2Object { + unsigned FrameIndex = 0; ---------------- SamTebbs33 wrote: It looks safer to do what other code does as well, done. https://github.com/llvm/llvm-project/pull/81648