Fix DebugEvaluate crash within a catch in a function without local context.

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index 7cfd069678c3fec1868f603e55e8bea24d7cef6c..42df28d00d9edf5a6248cf6dd816ab15994b3fda 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -11434,7 +11434,11 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_DebugEvaluate) {
   context->set_extension(*local_scope);
   // Copy any with contexts present and chain them in front of this context.
   Handle<Context> frame_context(Context::cast(frame->context()));
-  Handle<Context> function_context(frame_context->declaration_context());
+  Handle<Context> function_context;
+  // Get the function's context if it has one.
+  if (scope_info->HasHeapAllocatedLocals()) {
+    function_context = Handle<Context>(frame_context->declaration_context());
+  }
   context = CopyWithContextChain(isolate, go_between, frame_context, context);
 
   if (additional_context->IsJSObject()) {