From: Fariborz Jahanian <fjahanian@apple.com>
Date: Sun, 27 Mar 2011 19:53:47 +0000 (+0000)
Subject: 'self' is objective-c's 'self' objc pointer only in
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f2d74cc083e1a83838acf99d2e1ca260d1c54742;p=clang

'self' is objective-c's 'self' objc pointer only in
an objc method. Fixes // rdar://9181463



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128389 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp
index 6b6600740f..22a1b19921 100644
--- a/lib/Sema/SemaExprObjC.cpp
+++ b/lib/Sema/SemaExprObjC.cpp
@@ -324,6 +324,9 @@ bool Sema::CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs,
 }
 
 bool Sema::isSelfExpr(Expr *RExpr) {
+  // 'self' is objc 'self' in an objc method only.
+  if (!isa<ObjCMethodDecl>(CurContext))
+    return false;
   if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(RExpr))
     if (ICE->getCastKind() == CK_LValueToRValue)
       RExpr = ICE->getSubExpr();
diff --git a/test/SemaObjC/self-in-function.m b/test/SemaObjC/self-in-function.m
new file mode 100644
index 0000000000..901cc31e47
--- /dev/null
+++ b/test/SemaObjC/self-in-function.m
@@ -0,0 +1,23 @@
+// RUN: %clang_cc1  -fsyntax-only -verify %s
+// rdar://9181463
+
+typedef struct objc_class *Class;
+
+typedef struct objc_object {
+    Class isa;
+} *id;
+
+@interface NSObject
++ (id) alloc;
+@end
+
+
+void foo(Class self) {
+  [self alloc];
+}
+
+void bar(Class self) {
+  Class y = self;
+  [y alloc];
+}
+