leonardchan added a comment.

Yup, a bisect shows it was this patch that caused it. I filed a bug for 
tracking at https://bugs.llvm.org/show_bug.cgi?id=43950 and attached a 
reproducer. Could you look into this? Thanks.



================
Comment at: clang/lib/Sema/SemaExpr.cpp:487
+    const LangAS AS =
+        UO->getSubExpr()->getType()->getPointeeType().getAddressSpace();
+    if ((!isTargetAddressSpace(AS) ||
----------------
If I were to guess what would cause the segfault, I'd probably think it was the 
`getPointeeType().getAddressSpace()` in the event the type isn't actually a 
pointer.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D69664/new/

https://reviews.llvm.org/D69664



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