[PATCH] D141362: [AST] include decls owned by FriendDecl in -ast-dump

[Sam McCall via Phabricator via cfe-commits]

sammccall created this revision.
sammccall added a reviewer: hokein.
Herald added a project: All.
sammccall requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D141362

Files:
  clang/include/clang/AST/ASTNodeTraverser.h
  clang/test/AST/ast-dump-decl.cpp


Index: clang/test/AST/ast-dump-decl.cpp
===================================================================
--- clang/test/AST/ast-dump-decl.cpp
+++ clang/test/AST/ast-dump-decl.cpp
@@ -784,6 +784,7 @@
 // CHECK-NEXT:   FriendDecl
 // CHECK-NEXT:     FunctionDecl{{.*}} foo
 // CHECK-NEXT:   FriendDecl{{.*}} 'class A':'A'
+// CHECK-NEXT:     CXXRecordDecl{{.*}} class A
 // CHECK-NEXT:   FriendDecl{{.*}} 'T'
 
 namespace TestFileScopeAsmDecl {
Index: clang/include/clang/AST/ASTNodeTraverser.h
===================================================================
--- clang/include/clang/AST/ASTNodeTraverser.h
+++ clang/include/clang/AST/ASTNodeTraverser.h
@@ -644,8 +644,15 @@
   }
 
   void VisitFriendDecl(const FriendDecl *D) {
-    if (!D->getFriendType())
+    if (D->getFriendType()) {
+      // Traverse any CXXRecordDecl owned by this type, since
+      // it will not be in the parent context:
+      if (auto *ET = D->getFriendType()->getType()->getAs<ElaboratedType>())
+        if (auto *TD = ET->getOwnedTagDecl())
+          Visit(TD);
+    } else {
       Visit(D->getFriendDecl());
+    }
   }
 
   void VisitObjCMethodDecl(const ObjCMethodDecl *D) {


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