1 files changed, 72 insertions, 0 deletions
diff --git a/clang/test/Analysis/pr4209.m b/clang/test/Analysis/pr4209.m
new file mode 100644
index 0000000..e16d1aa
--- /dev/null
+++ b/clang/test/Analysis/pr4209.m
@@ -0,0 +1,72 @@
+// RUN: %clang_cc1 -triple i386-apple-darwin9 -analyze -analyzer-checker=core,experimental.core -analyzer-store=region -verify %s
+
+// This test case was crashing due to how CFRefCount.cpp resolved the
+// ObjCInterfaceDecl* and ClassName in EvalObjCMessageExpr.
+
+typedef signed char BOOL;
+typedef unsigned int NSUInteger;
+typedef struct _NSZone NSZone;
+@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
+@protocol NSObject  - (BOOL)isEqual:(id)object;
+@end  @protocol NSCopying  - (id)copyWithZone:(NSZone *)zone;
+@end  @protocol NSMutableCopying  - (id)mutableCopyWithZone:(NSZone *)zone;
+@end  @protocol NSCoding  - (void)encodeWithCoder:(NSCoder *)aCoder;
+@end    @interface NSObject <NSObject> {
+}
+@end  typedef float CGFloat;
+typedef struct _NSPoint {
+}
+NSFastEnumerationState;
+@protocol NSFastEnumeration  - (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len;
+@end        @class NSString;
+@interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>  - (NSUInteger)count;
+@end    @interface NSMutableArray : NSArray  - (void)addObject:(id)anObject;
+@end         typedef unsigned short unichar;
+@interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding>    - (NSUInteger)length;
+- (int)intValue;
+@end @interface NSSimpleCString : NSString {
+}
+@end  @interface NSConstantString : NSSimpleCString @end   extern void *_NSConstantStringClassReference;
+@interface NSDictionary : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>  - (NSUInteger)count;
+@end    @interface NSMutableDictionary : NSDictionary  - (void)removeObjectForKey:(id)aKey;
+@end       typedef struct {
+}
+CMProfileLocation;
+@interface NSResponder : NSObject <NSCoding> {
+}
+@end  @class NSAttributedString, NSEvent, NSFont, NSFormatter, NSImage, NSMenu, NSText, NSView;
+@interface NSCell : NSObject <NSCopying, NSCoding> {
+}
+@end  extern NSString *NSControlTintDidChangeNotification;
+@interface NSActionCell : NSCell {
+}
+@end  @class NSArray, NSDocument, NSWindow;
+@interface NSWindowController : NSResponder <NSCoding> {
+}
+@end         @class EBayCategoryType, GSEbayCategory, GBSearchRequest;
+@interface GBCategoryChooserPanelController : NSWindowController {
+  GSEbayCategory *rootCategory;
+}
+- (NSMutableDictionary*)categoryDictionaryForCategoryID:(int)inID inRootTreeCategories:(NSMutableArray*)inRootTreeCategories; // expected-note {{method definition for 'categoryDictionaryForCategoryID:inRootTreeCategories:' not found}}
+-(NSString*) categoryID;  // expected-note {{method definition for 'categoryID' not found}} expected-note {{using}}
+@end @interface GSEbayCategory : NSObject <NSCoding> {
+}
+- (int) categoryID; // expected-note {{also found}}
+- (GSEbayCategory *) parent;
+- (GSEbayCategory*) subcategoryWithID:(int) inID;
+@end   @implementation GBCategoryChooserPanelController  + (int) chooseCategoryIDFromCategories:(NSArray*) inCategories        searchRequest:(GBSearchRequest*)inRequest         parentWindow:(NSWindow*) inParent { // expected-warning {{incomplete implementation}}
+  return 0;
+}
+- (void) addCategory:(EBayCategoryType*)inCategory toRootTreeCategory:(NSMutableArray*)inRootTreeCategories {
+  GSEbayCategory *category = [rootCategory subcategoryWithID:[[inCategory categoryID] intValue]]; // expected-warning {{multiple methods named 'categoryID' found}}
+
+  if (rootCategory != category)  {
+    GSEbayCategory *parent = category;
+    while ((((void*)0) != (parent = [parent parent])) && ([parent categoryID] != 0))   {
+      NSMutableDictionary *treeCategoryDict = [self categoryDictionaryForCategoryID:[parent categoryID] inRootTreeCategories:inRootTreeCategories];
+      if (((void*)0) == treeCategoryDict)    {
+      }
+    }
+  }
+}
+@end