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-rw-r--r--clang/lib/Sema/SemaExprObjC.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaExprObjC.cpp b/clang/lib/Sema/SemaExprObjC.cpp
index bed9c2f16d4..8ec2c177f72 100644
--- a/clang/lib/Sema/SemaExprObjC.cpp
+++ b/clang/lib/Sema/SemaExprObjC.cpp
@@ -1700,6 +1700,18 @@ HandleExprPropertyRefExpr(const ObjCObjectPointerType *OPT,
if (Setter && DiagnoseUseOfDecl(Setter, MemberLoc))
return ExprError();
+ // Special warning if member name used in a property-dot for a setter accessor
+ // does not use a property with same name; e.g. obj.X = ... for a property with
+ // name 'x'.
+ if (Setter && Setter->isImplicit() && Setter->isPropertyAccessor()
+ && !IFace->FindPropertyDeclaration(Member)) {
+ if (const ObjCPropertyDecl *PDecl = Setter->findPropertyDecl())
+ Diag(MemberLoc,
+ diag::warn_property_access_suggest)
+ << MemberName << QualType(OPT, 0) << PDecl->getName()
+ << FixItHint::CreateReplacement(MemberLoc, PDecl->getName());
+ }
+
if (Getter || Setter) {
if (Super)
return new (Context)
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