More ^= to |=

runtime/vm/isolate.cc

Index: runtime/vm/isolate.cc
===================================================================
--- runtime/vm/isolate.cc	(revision 17302)
+++ runtime/vm/isolate.cc	(working copy)
@@ -432,7 +432,7 @@
     return &ICData::ZoneHandle();
   }
   ICData& ic_data_handle = ICData::ZoneHandle();
-  ic_data_handle ^= array_handle.At(deopt_id);
+  ic_data_handle |= array_handle.At(deopt_id);
   return &ic_data_handle;
 }
 
@@ -457,7 +457,7 @@
   const int func_len = class_functions.IsNull() ? 0 : class_functions.Length();
   for (int j = 0; j < func_len; j++) {
     Function& function = Function::Handle();
-    function ^= class_functions.At(j);
+    function |= class_functions.At(j);
     if (function.usage_counter() > 0) {
       functions->Add(&function);
     }
@@ -474,7 +474,7 @@
   Library& library = Library::Handle();
   GrowableArray<const Function*> invoked_functions;
   for (int i = 0; i < libraries.Length(); i++) {
-    library ^= libraries.At(i);
+    library |= libraries.At(i);
     Class& cls = Class::Handle();
     ClassDictionaryIterator iter(library);
     while (iter.HasNext()) {
@@ -483,7 +483,7 @@
     }
     Array& anon_classes = Array::Handle(library.raw_ptr()->anonymous_classes_);
     for (int i = 0; i < library.raw_ptr()->num_anonymous_; i++) {
-      cls ^= anon_classes.At(i);
+      cls |= anon_classes.At(i);
       AddFunctionsFromClass(cls, &invoked_functions);
     }
   }