Index: runtime/vm/exceptions.cc |
diff --git a/runtime/vm/exceptions.cc b/runtime/vm/exceptions.cc |
index fa2e44179de9d83d7c11aceb4fa1899363a25afb..1a14466c5cd878afcd5f73cf8e060c102849e3b1 100644 |
--- a/runtime/vm/exceptions.cc |
+++ b/runtime/vm/exceptions.cc |
@@ -482,6 +482,7 @@ void Exceptions::Throw(Thread* thread, const Instance& exception) { |
Isolate* isolate = thread->isolate(); |
if (exception.raw() != isolate->object_store()->out_of_memory() && |
exception.raw() != isolate->object_store()->stack_overflow()) { |
+ ASSERT(isolate->debugger() != NULL); |
isolate->debugger()->SignalExceptionThrown(exception); |
} |
// Null object is a valid exception object. |