From: Fariborz Jahanian <fjahanian@apple.com>
Date: Tue, 26 Aug 2014 18:13:47 +0000 (+0000)
Subject: c11- Check for c11 language option as documentation says
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1bd3f7465410d89ce4f0c6db836e6f9f68e688ed;p=clang

c11- Check for c11 language option as documentation says
feature is c11 about nested struct declarations must have
struct-declarator-list. Without this change, code
which was meant for c99 breaks. rdar://18125536


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@216469 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 0079c4925a..b6c0971619 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -3450,7 +3450,7 @@ 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.
-  if (!getLangOpts().CPlusPlus && CurContext->isRecord() &&
+  if (getLangOpts().C11 && CurContext->isRecord() &&
       DS.getStorageClassSpec() == DeclSpec::SCS_unspecified) {
     // Check for Microsoft C extension: anonymous struct/union member.
     // Handle 2 kinds of anonymous struct/union:
diff --git a/test/CodeGen/ms-anonymous-struct.c b/test/CodeGen/ms-anonymous-struct.c
index b41caab030..ea6b42aff2 100644
--- a/test/CodeGen/ms-anonymous-struct.c
+++ b/test/CodeGen/ms-anonymous-struct.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fms-extensions -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -std=c11 -fms-extensions -emit-llvm -o - %s | FileCheck %s
 
 // CHECK: %struct.test = type { i32, %struct.nested2, i32 }
 // CHECK: %struct.nested2 = type { i32, %struct.nested1, i32 }
diff --git a/test/Parser/declarators.c b/test/Parser/declarators.c
index 48936d5922..3b28c5c2b2 100644
--- a/test/Parser/declarators.c
+++ b/test/Parser/declarators.c
@@ -113,7 +113,6 @@ enum E1 { e1 }: // expected-error {{expected ';'}}
 struct EnumBitfield { // expected-warning {{struct without named members is a GNU extension}}
   enum E2 { e2 } : 4; // ok
   struct S { int n; }: // expected-error {{expected ';'}}
-                       // expected-warning@-1 {{declaration does not declare anything}}
 
 };
 
diff --git a/test/Sema/MicrosoftExtensions.c b/test/Sema/MicrosoftExtensions.c
index 908ec04876..b3030fff10 100644
--- a/test/Sema/MicrosoftExtensions.c
+++ b/test/Sema/MicrosoftExtensions.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -triple i686-windows %s -fsyntax-only -Wno-unused-value -Wmicrosoft -verify -fms-extensions
+// RUN: %clang_cc1 -std=c11 -triple i686-windows %s -fsyntax-only -Wno-unused-value -Wmicrosoft -verify -fms-extensions
 
 
 struct A
diff --git a/test/Sema/anonymous-struct-union.c b/test/Sema/anonymous-struct-union.c
index 26dbeb87f5..2d1391133d 100644
--- a/test/Sema/anonymous-struct-union.c
+++ b/test/Sema/anonymous-struct-union.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -fsyntax-only -std=c11 -verify %s
 struct X {
   union {
     float f3;
diff --git a/test/SemaObjC/ivar-lookup.m b/test/SemaObjC/ivar-lookup.m
index 57f432c717..b2a1105f31 100644
--- a/test/SemaObjC/ivar-lookup.m
+++ b/test/SemaObjC/ivar-lookup.m
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
+// RUN: %clang_cc1 -fsyntax-only -std=c11 -verify -Wno-objc-root-class %s
 
 @interface Test {
    int x;