[clang] [Sema] Compare canonical conversion function (PR #154158)

[Jonas Hahnfeld via cfe-commits]

================
@@ -0,0 +1,143 @@
+// RUN: rm -rf %t
----------------
hahnjo wrote:

If you tell me how? You have modify decls while you are constructing the two conversion sequences. The only way I think this is possible is with deserialization.

https://github.com/llvm/llvm-project/pull/154158