diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Sema/SemaObjCProperty.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/Sema/SemaObjCProperty.cpp b/lib/Sema/SemaObjCProperty.cpp index 84dc9cae23..20dbf58c98 100644 --- a/lib/Sema/SemaObjCProperty.cpp +++ b/lib/Sema/SemaObjCProperty.cpp @@ -755,6 +755,22 @@ Decl *Sema::ActOnPropertyImplDecl(Scope *S, } if (!Ivar) { + if (AtLoc.isInvalid()) { + // Check when default synthesizing a property that there is + // an ivar matching property name and issue warning; since this + // is the most common case of not using an ivar used for backing + // property in non-default synthesis case. + ObjCInterfaceDecl *ClassDeclared=0; + ObjCIvarDecl *originalIvar = + IDecl->lookupInstanceVariable(property->getIdentifier(), + ClassDeclared); + if (originalIvar) { + Diag(PropertyDiagLoc, + diag::warn_autosynthesis_property_ivar_match); + Diag(property->getLocation(), diag::note_property_declare); + Diag(originalIvar->getLocation(), diag::note_ivar_decl); + } + } // In ARC, give the ivar a lifetime qualifier based on the // property attributes. if (getLangOpts().ObjCAutoRefCount && |