[PATCH] D82882: [ASTImporter] Fix AST import crash for a friend decl

[Vince Bridgers via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGecae672ac2ac: [ASTImporter] Fix AST import crash for a friend decl (authored by vabridgers, committed by einvbri <vince.a.bridgers at ericsson.com>).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D82882/new/

https://reviews.llvm.org/D82882

Files:
  clang/lib/AST/ASTImporterLookupTable.cpp


Index: clang/lib/AST/ASTImporterLookupTable.cpp
===================================================================
--- clang/lib/AST/ASTImporterLookupTable.cpp
+++ clang/lib/AST/ASTImporterLookupTable.cpp
@@ -45,7 +45,11 @@
           LT.add(RTy->getAsCXXRecordDecl());
         else if (const auto *SpecTy = dyn_cast<TemplateSpecializationType>(Ty))
           LT.add(SpecTy->getAsCXXRecordDecl());
-        else if (isa<TypedefType>(Ty)) {
+        else if (const auto *SubstTy =
+                     dyn_cast<SubstTemplateTypeParmType>(Ty)) {
+          if (SubstTy->getAsCXXRecordDecl())
+            LT.add(SubstTy->getAsCXXRecordDecl());
+        } else if (isa<TypedefType>(Ty)) {
           // We do not put friend typedefs to the lookup table because
           // ASTImporter does not organize typedefs into redecl chains.
         } else {


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