From: Fariborz Jahanian Date: Thu, 2 Feb 2012 22:37:48 +0000 (+0000) Subject: Further enhance comment for property in continuation class. X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ad7eff2faf517779689327dc268817c2c2c8ebc4;p=clang Further enhance comment for property in continuation class. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149639 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/lib/Sema/SemaObjCProperty.cpp b/lib/Sema/SemaObjCProperty.cpp index 42a5c9d0e8..9d849ff74f 100644 --- a/lib/Sema/SemaObjCProperty.cpp +++ b/lib/Sema/SemaObjCProperty.cpp @@ -281,7 +281,10 @@ Sema::HandlePropertyInClassExtension(Scope *S, QualType ConvertedType; // Relax the strict type matching for property type in continuation class. // Allow property object type of continuation class to be different as long - // as it narrows the object type in its primary class property. + // as it narrows the object type in its primary class property. Note that + // this conversion is safe only because the wider type is for a 'readonly' + // property in primary class and 'narrowed' type for a 'readwrite' property + // in continuation class. if (!isa(PIDecl->getType()) || !isa(PDecl->getType()) || (!isObjCPointerConversion(PDecl->getType(), PIDecl->getType(),