foo.diff

diff --git a/src/devtools/client/webconsole/components/Output/Message.js b/src/devtools/client/webconsole/components/Output/Message.js
index d7b51742..66199aa7 100644
--- a/src/devtools/client/webconsole/components/Output/Message.js
+++ b/src/devtools/client/webconsole/components/Output/Message.js
@@ -11,7 +11,6 @@ const { actions } = require("ui/actions/index");
 const { MESSAGE_TYPE } = require("devtools/client/webconsole/constants");
 const { MessageIndent } = require("devtools/client/webconsole/components/Output/MessageIndent");
 const MessageIcon = require("devtools/client/webconsole/components/Output/MessageIcon");
-const { CloseButton } = require("devtools/client/debugger/src/components/shared/Button");
 const FrameView = createFactory(require("devtools/client/shared/components/Frame"));
 
 const CollapseButton = require("devtools/client/webconsole/components/Output/CollapseButton");
@@ -19,6 +18,10 @@ const MessageRepeat = require("devtools/client/webconsole/components/Output/Mess
 const PropTypes = require("prop-types");
 const SmartTrace = require("devtools/client/shared/components/SmartTrace");
 
+function toBigInt(num) {
+  return num ? BigInt(num) : undefined;
+}
+
 class Message extends Component {
   static get propTypes() {
     return {
@@ -148,7 +151,7 @@ class Message extends Component {
       isFirstMessageForPoint,
     } = this.props;
 
-    if (inWarningGroup || !pausedExecutionPoint || !executionPoint || !frame) {
+    if (inWarningGroup || !executionPoint || !frame) {
       return undefined;
     }
 
@@ -161,11 +164,11 @@ class Message extends Component {
       this.onViewSourceInDebugger({ ...frame, url: frame.source });
     };
 
-    if (BigInt(executionPoint) > BigInt(pausedExecutionPoint)) {
+    if (toBigInt(executionPoint) > toBigInt(pausedExecutionPoint)) {
       overlayType = "fast-forward";
       label = "Fast Forward";
       onClick = onRewindClick;
-    } else if (BigInt(executionPoint) < BigInt(pausedExecutionPoint)) {
+    } else if (toBigInt(executionPoint) < toBigInt(pausedExecutionPoint)) {
       overlayType = "rewind";
       label = "Rewind";
       onClick = onRewindClick;