[PATCH] D69225: Sema: Fixes a crash with a templated destructor

[Mark de Wever via Phabricator via cfe-commits]

Mordante created this revision.
Mordante added reviewers: rcraik, hubert.reinterpretcast, aaron.ballman, rsmith.
Mordante added a project: clang.

This fixes PR38671.
The issue was introduced by D33833 <https://reviews.llvm.org/D33833> which fixed PR33189.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D69225

Files:
  clang/lib/Sema/SemaLookup.cpp
  clang/test/SemaTemplate/destructor-template.cpp


Index: clang/test/SemaTemplate/destructor-template.cpp
===================================================================
--- clang/test/SemaTemplate/destructor-template.cpp
+++ clang/test/SemaTemplate/destructor-template.cpp
@@ -92,3 +92,13 @@
   template <class T>
   ~PR33189() { } // expected-error{{destructor cannot be declared as a template}}
 };
+
+namespace PR38671 {
+struct S {
+  template <class>
+  ~S(); // expected-error{{destructor cannot be declared as a template}}
+};
+struct T : S {    // expected-note{{destructor of 'T' is implicitly deleted because base class 'PR38671::S' has no destructor}}
+  ~T() = default; // expected-warning{{explicitly defaulted destructor is implicitly deleted}}
+};
+} // namespace PR38671
Index: clang/lib/Sema/SemaLookup.cpp
===================================================================
--- clang/lib/Sema/SemaLookup.cpp
+++ clang/lib/Sema/SemaLookup.cpp
@@ -3101,11 +3101,10 @@
       });
     }
     CXXDestructorDecl *DD = RD->getDestructor();
-    assert(DD && "record without a destructor");
     Result->setMethod(DD);
-    Result->setKind(DD->isDeleted() ?
-                    SpecialMemberOverloadResult::NoMemberOrDeleted :
-                    SpecialMemberOverloadResult::Success);
+    Result->setKind(DD && !DD->isDeleted()
+                        ? SpecialMemberOverloadResult::Success
+                        : SpecialMemberOverloadResult::NoMemberOrDeleted);
     return *Result;
   }
 


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