Issue a warning in odd case of instance method used
in a 'Class' receiver which is not a root instance
method.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70987 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp
index a463ab8..e8ff18b 100644
--- a/lib/Sema/SemaExprObjC.cpp
+++ b/lib/Sema/SemaExprObjC.cpp
@@ -529,8 +529,17 @@
if (!isSelfExpr(RExpr)) {
Method = LookupFactoryMethodInGlobalPool(Sel, SourceRange(lbrac,rbrac));
if (!Method) {
+ // If no class (factory) method was found, check if an _instance_
+ // method of the same name exists in the root class only.
Method = LookupInstanceMethodInGlobalPool(
Sel, SourceRange(lbrac,rbrac));
+ if (Method)
+ if (const ObjCInterfaceDecl *ID =
+ dyn_cast<ObjCInterfaceDecl>(Method->getDeclContext())) {
+ if (ID->getSuperClass())
+ Diag(lbrac, diag::warn_root_inst_method_not_found)
+ << Sel << SourceRange(lbrac, rbrac);
+ }
}
}
}