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-rw-r--r--toolkit/modules/Troubleshoot.jsm4
1 files changed, 3 insertions, 1 deletions
diff --git a/toolkit/modules/Troubleshoot.jsm b/toolkit/modules/Troubleshoot.jsm
index 4c6ac558d..a862b1db4 100644
--- a/toolkit/modules/Troubleshoot.jsm
+++ b/toolkit/modules/Troubleshoot.jsm
@@ -460,7 +460,9 @@ var dataProviders = {
// Eagerly free resources.
let loseExt = gl.getExtension("WEBGL_lose_context");
- loseExt.loseContext();
+ if (loseExt) {
+ loseExt.loseContext();
+ }
return contextInfo;