[clang] [Clang] Implement P2280R4 Using unknown pointers and references in constant expressions (PR #95474)

[via cfe-commits]

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@@ -1944,6 +1956,16 @@ APValue &CallStackFrame::createTemporary(const KeyT 
*Key, QualType T,
   return createLocal(Base, Key, T, Scope);
 }
 
+APValue &
+CallStackFrame::createConstexprUnknownAPValues(const VarDecl *Key,
+                                               APValue::LValueBase Base) {
+  APValue &Result = ConstexprUnknownAPValues[MapKeyTy(Key, Base.getVersion())];
+  Result = APValue(Base, CharUnits::One(), APValue::ConstexprUnknown{});
+  Result.setConstexprUnknown();
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cor3ntin wrote:

That seems redundant

https://github.com/llvm/llvm-project/pull/95474
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