From dffafded6c13a9b308433c85a1156501e65bb6e8 Mon Sep 17 00:00:00 2001
From: John McCall <rjmccall@apple.com>
Date: Wed, 13 Jul 2011 18:26:47 +0000
Subject: [PATCH] Don't crash if defining -dealloc in a category.

llvm-svn: 135054
---
 clang/lib/CodeGen/CGObjC.cpp |  8 +++++---
 clang/test/CodeGenObjC/arc.m | 10 ++++++++++
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/clang/lib/CodeGen/CGObjC.cpp b/clang/lib/CodeGen/CGObjC.cpp
index f64ff9766f9c..426cca00140c 100644
--- a/clang/lib/CodeGen/CGObjC.cpp
+++ b/clang/lib/CodeGen/CGObjC.cpp
@@ -220,11 +220,13 @@ namespace {
 struct FinishARCDealloc : EHScopeStack::Cleanup {
   void Emit(CodeGenFunction &CGF, Flags flags) {
     const ObjCMethodDecl *method = cast<ObjCMethodDecl>(CGF.CurCodeDecl);
-    const ObjCImplementationDecl *impl
-      = cast<ObjCImplementationDecl>(method->getDeclContext());
+
+    const ObjCImplDecl *impl = cast<ObjCImplDecl>(method->getDeclContext());
     const ObjCInterfaceDecl *iface = impl->getClassInterface();
     if (!iface->getSuperClass()) return;
 
+    bool isCategory = isa<ObjCCategoryImplDecl>(impl);
+
     // Call [super dealloc] if we have a superclass.
     llvm::Value *self = CGF.LoadObjCSelf();
 
@@ -233,7 +235,7 @@ struct FinishARCDealloc : EHScopeStack::Cleanup {
                                                       CGF.getContext().VoidTy,
                                                       method->getSelector(),
                                                       iface,
-                                                      /*is category*/ false,
+                                                      isCategory,
                                                       self,
                                                       /*is class msg*/ false,
                                                       args,
diff --git a/clang/test/CodeGenObjC/arc.m b/clang/test/CodeGenObjC/arc.m
index 2431866ef0fa..407b3eb77167 100644
--- a/clang/test/CodeGenObjC/arc.m
+++ b/clang/test/CodeGenObjC/arc.m
@@ -1542,3 +1542,13 @@ void test54(int first, ...) {
   // CHECK: call void @objc_release
   // CHECK: ret void
 }
+
+// PR10228
+@interface Test55Base @end
+@interface Test55 : Test55Base @end
+@implementation Test55 (Category)
+- (void) dealloc {}
+@end
+// CHECK:   define internal void @"\01-[Test55(Category) dealloc]"(
+// CHECK-NOT: ret
+// CHECK:     call void bitcast (i8* ({{%.*}}*, i8*, ...)* @objc_msgSendSuper2 to void ({{%.*}}*, i8*)*)(