From: Douglas Gregor <dgregor@apple.com>
Date: Tue, 22 Jun 2010 14:45:56 +0000 (+0000)
Subject: When we ask for the enumerators of an EnumDecl, make sure we get them even if we... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0e5abbe065ab7fb9e3b03b4d25fac3f2dd4b2389;p=clang

When we ask for the enumerators of an EnumDecl, make sure we get them even if we have a EnumDecl that is not the definition of the enumeration

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106541 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/clang/AST/Decl.h b/include/clang/AST/Decl.h
index 0561f75365..187b88d836 100644
--- a/include/clang/AST/Decl.h
+++ b/include/clang/AST/Decl.h
@@ -2011,11 +2011,17 @@ public:
   typedef specific_decl_iterator<EnumConstantDecl> enumerator_iterator;
 
   enumerator_iterator enumerator_begin() const {
-    return enumerator_iterator(this->decls_begin());
+    const EnumDecl *E = cast_or_null<EnumDecl>(getDefinition());
+    if (!E)
+      E = this;
+    return enumerator_iterator(E->decls_begin());
   }
 
   enumerator_iterator enumerator_end() const {
-    return enumerator_iterator(this->decls_end());
+    const EnumDecl *E = cast_or_null<EnumDecl>(getDefinition());
+    if (!E)
+      E = this;
+    return enumerator_iterator(E->decls_end());
   }
 
   /// getPromotionType - Return the integer type that enumerators