[PATCH] D122405: [llvm] Initialize and move UseUpRegs outside of `union` MemOp struct.

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

> Asan complained about uninitialized bool

It's not "uninitialized" :) It's a value outside of {0, 1}.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D122405/new/

https://reviews.llvm.org/D122405