[PATCH] D31830: Emit invariant.group.barrier when using union field

[Piotr Padlewski via Phabricator via cfe-commits]

Prazek marked 2 inline comments as done.
Prazek added inline comments.


================
Comment at: lib/CodeGen/CGExpr.cpp:3530
+  return false;
+}
+
----------------
rjmccall wrote:
> You need to recurse into base classes (to check their fields), and if you write this to take a QualType you won't have to eagerly extract RD below.
Cool, thanks for the tip


https://reviews.llvm.org/D31830