Parse an '@' in an Objective-C++ class member specification,

diagnosing it as an error rather than looping infinitely. Also,
explicitly disallow @defs in Objective-C++. Fixes <rdar://problem/9260136>.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129521 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 11 insertions, 0 deletions

diff --git a/lib/Parse/ParseDeclCXX.cpp b/lib/Parse/ParseDeclCXX.cpp
index dac40d8713..9c0730dce9 100644
--- a/lib/Parse/ParseDeclCXX.cpp
+++ b/lib/Parse/ParseDeclCXX.cpp
@@ -1374,6 +1374,17 @@ bool Parser::isCXX0XFinalKeyword() const {
 void Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS,
                                        const ParsedTemplateInfo &TemplateInfo,
                                        ParsingDeclRAIIObject *TemplateDiags) {
+  if (Tok.is(tok::at)) {
+    if (getLang().ObjC1 && NextToken().isObjCAtKeyword(tok::objc_defs))
+      Diag(Tok, diag::err_at_defs_cxx);
+    else
+      Diag(Tok, diag::err_at_in_class);
+    
+    ConsumeToken();
+    SkipUntil(tok::r_brace);
+    return;
+  }
+  
   // Access declarations.
   if (!TemplateInfo.Kind &&
       (Tok.is(tok::identifier) || Tok.is(tok::coloncolon)) &&