Fixed crash in EqualityCompareInstr::IsCheckedStrictEqual : update unary_ic_data_ if ic_data_ is se…

runtime/vm/intermediate_language.h

Index: runtime/vm/intermediate_language.h
===================================================================
--- runtime/vm/intermediate_language.h	(revision 24597)
+++ runtime/vm/intermediate_language.h	(working copy)
@@ -2846,7 +2846,12 @@
   bool HasICData() const {
     return (ic_data() != NULL) && !ic_data()->IsNull();
   }
-  void set_ic_data(const ICData* value) { ic_data_ = value; }
+  void set_ic_data(const ICData* value) {
+    ic_data_ = value;
+    if (HasICData()) {
+      unary_ic_data_ = &ICData::ZoneHandle(ic_data_->AsUnaryClassChecks());
+    }
+  }
 
   // Receiver class id is computed from collected ICData.
   void set_receiver_class_id(intptr_t value) { receiver_class_id_ = value; }