[PATCH] D81631: Fix undefined behavior in Dwarf.

[zuojian lin via Phabricator via llvm-commits]

linzj added a comment.

> - bool SameAsPrevCU = this == DD->getPrevCU(); +  const DwarfCompileUnit *PrevCU = DD->getPrevCU();

Err, once you invoke getPrevCU, then a load-to-undefined instruction will be emitted. So  valgrind will still report this problem.  valgrind doesn't like undefined value's load.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D81631/new/

https://reviews.llvm.org/D81631