Index: cfe/trunk/lib/StaticAnalyzer/Checkers/CheckObjCDealloc.cpp
===================================================================
--- cfe/trunk/lib/StaticAnalyzer/Checkers/CheckObjCDealloc.cpp
+++ cfe/trunk/lib/StaticAnalyzer/Checkers/CheckObjCDealloc.cpp
@@ -715,6 +715,10 @@
 bool ObjCDeallocChecker::diagnoseMistakenDealloc(SymbolRef DeallocedValue,
                                                  const ObjCMethodCall &M,
                                                  CheckerContext &C) const {
+  // TODO: Apart from unknown/undefined receivers, this may happen when
+  // dealloc is called as a class method. Should we warn?
+  if (!DeallocedValue)
+    return false;
 
   // Find the property backing the instance variable that M
   // is dealloc'ing.
Index: cfe/trunk/test/Analysis/MissingDealloc.m
===================================================================
--- cfe/trunk/test/Analysis/MissingDealloc.m
+++ cfe/trunk/test/Analysis/MissingDealloc.m
@@ -183,4 +183,17 @@
 @implementation NonNSObjectMissingDealloc
 @end
 
-// CHECK: 4 warnings generated.
+
+//===------------------------------------------------------------------------===
+// Don't crash on calls to dealloc as a class method.
+
+@interface DeallocingClass : NSObject {}
+@end
+@implementation DeallocingClass
+- (void)dealloc {
+  [DeallocingClass dealloc]; // FIXME: Should we warn on this specifically?
+}
+#if NON_ARC
+// expected-warning@-2{{method possibly missing a [super dealloc] call}}
+#endif
+@end