[clang] [clang] Followup for constexpr-unknown potential constant expressions. (PR #151053)

[Eli Friedman via cfe-commits]

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@@ -563,8 +563,11 @@ bool Pointer::hasSameBase(const Pointer &A, const Pointer &B) {
   if (A.isTypeidPointer() && B.isTypeidPointer())
     return true;
 
-  if (A.isIntegralPointer() || B.isIntegralPointer())
+  if (A.isIntegralPointer() || B.isIntegralPointer()) {
+    if (A.isTypeidPointer() || B.isTypeidPointer())
+      return false;
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efriedma-quic wrote:

I was going to try to explain this... but then I realized the getSource() check isn't actually doing anything, so I just deleted this whole block of code.

https://github.com/llvm/llvm-project/pull/151053