[clang] Relax assertion on generating destructor call

If the Decl pointers are not identical, declaresSameEntity will check
the canonical Decls. This fixes the df021_createTGraph tutorial on
CentOS 8.

Upstream discussion in https://reviews.llvm.org/D137787

interpreter/llvm/src/tools/clang/lib/CodeGen/CGExprCXX.cpp

@@ -97,8 +97,9 @@ RValue CodeGenFunction::EmitCXXDestructorCall(
   const CXXMethodDecl *DtorDecl = cast<CXXMethodDecl>(Dtor.getDecl());
 
   assert(!ThisTy.isNull());
-  assert(ThisTy->getAsCXXRecordDecl() == DtorDecl->getParent() &&
-         "Pointer/Object mixup");
+  assert(
+      declaresSameEntity(ThisTy->getAsCXXRecordDecl(), DtorDecl->getParent()) &&
+      "Pointer/Object mixup");
 
   LangAS SrcAS = ThisTy.getAddressSpace();
   LangAS DstAS = DtorDecl->getMethodQualifiers().getAddressSpace();