[PATCH] D25942: Fix crash in implicit default constructor creation for a template record specialization that has a field declaration with an initializer expression

[Richard Smith via cfe-commits]

rsmith added inline comments.


================
Comment at: lib/AST/DeclCXX.cpp:1350
       while (auto *NewCTD = CTD->getInstantiatedFromMemberTemplate()) {
-        if (NewCTD->isMemberSpecialization())
+        if (NewCTD->isMemberSpecialization() ||
+            !NewCTD->isThisDeclarationADefinition())
----------------
We should be stopping at `A<int>::Inner` because it's a member specialization; 
whether the primary template had a declaration or a definition is irrelevant. 
It looks like the problem is that the member specialization check is checking 
the wrong declaration; we should be checking `CTD` not `NewCTD` here.


Repository:
  rL LLVM

https://reviews.llvm.org/D25942



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