From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Tue, 26 Aug 2014 21:51:57 +0000 (+0000)
Subject: Clarify comment so this doesn't appear to be a C11-only rule.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a3d81725122504594828f8766c0767c0e66a9b05;p=clang

Clarify comment so this doesn't appear to be a C11-only rule.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@216490 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 0079c4925a..e5cf31a9b3 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -3450,6 +3450,9 @@ Decl *Sema::ParsedFreeStandingDeclSpec(Scope *S, AccessSpecifier AS,
   // C11 6.7.2.1p2:
   //   A struct-declaration that does not declare an anonymous structure or
   //   anonymous union shall contain a struct-declarator-list.
+  //
+  // This rule also existed in C89 and C99; the grammar for struct-declaration
+  // did not permit a struct-declaration without a struct-declarator-list.
   if (!getLangOpts().CPlusPlus && CurContext->isRecord() &&
       DS.getStorageClassSpec() == DeclSpec::SCS_unspecified) {
     // Check for Microsoft C extension: anonymous struct/union member.