balazske added inline comments.

================
Comment at: lib/AST/ASTImporter.cpp:6741
+
+  auto *Ctor = dyn_cast<CXXConstructorDecl>(Importer.Import(
+      E->getConstructor()));
----------------
a_sidorin wrote:
> cast_or_null?
dyn_cast_or_null: Import may return nullptr, but if not, the cast should 
succeed (not a CXXConstructorDecl would be error).
Or (but some lines more code) check separately for null return from Import, and 
then use `cast`?


Repository:
  rC Clang

https://reviews.llvm.org/D49293



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