Allow properties within a protocol. The case below was asserting...now it works fine.

@protocol CAMediaTiming

@property int beginTime;

@end

Comments in the code tell the rest of the story...



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44117 91177308-0d34-0410-b5e6-96231b3b80d8

Sema/SemaDecl.cpp

@@ -1742,7 +1742,11 @@ Sema::DeclTy *Sema::ActOnField(Scope *S, DeclTy *TagDecl,
     NewFD = new FieldDecl(Loc, II, T, BitWidth);
   else if (isa<ObjcInterfaceDecl>(static_cast<Decl *>(TagDecl)) ||
            isa<ObjcImplementationDecl>(static_cast<Decl *>(TagDecl)) ||
-           isa<ObjcCategoryDecl>(static_cast<Decl *>(TagDecl)))
+           isa<ObjcCategoryDecl>(static_cast<Decl *>(TagDecl)) ||
+           // FIXME: ivars are currently used to model properties, and
+           // properties can appear within a protocol.
+           // See corresponding FIXME in DeclObjC.h:ObjcPropertyDecl.
+           isa<ObjcProtocolDecl>(static_cast<Decl *>(TagDecl)))
     NewFD = new ObjcIvarDecl(Loc, II, T);
   else
     assert(0 && "Sema::ActOnField(): Unknown TagDecl");