From: Chris Lattner <sabre@nondot.org>
Date: Thu, 15 Jan 2009 19:19:42 +0000 (+0000)
Subject: PR3330: given an enum like this:
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=13fd416b3d2b0c69247f2691f0ff344100e0faff;p=clang

PR3330: given an enum like this:

enum E {
 A = 1U,
 B
};

Don't make an implicit cast expr of null for B.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62274 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 07966399da..e9435521d1 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -3684,8 +3684,9 @@ void Sema::ActOnEnumBody(SourceLocation EnumLoc, DeclTy *EnumDeclX,
     ECD->setInitVal(InitVal);
     
     // Adjust the Expr initializer and type.
-    ECD->setInitExpr(new ImplicitCastExpr(NewTy, ECD->getInitExpr(), 
-                                          /*isLvalue=*/false));
+    if (ECD->getInitExpr())
+      ECD->setInitExpr(new ImplicitCastExpr(NewTy, ECD->getInitExpr(), 
+                                            /*isLvalue=*/false));
     if (getLangOptions().CPlusPlus)
       // C++ [dcl.enum]p4: Following the closing brace of an
       // enum-specifier, each enumerator has the type of its