From d4d77006acdae2154cf2ba259d99f036cf7138cb Mon Sep 17 00:00:00 2001
From: Andrey Voroshilov <avoroshilov@nvidia.com>
Date: Sat, 19 Jun 2021 01:12:41 -0700
Subject: [PATCH] Fix a crash in Worker c-tor when converting certain JSON
 files

---
 server/TracyWorker.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/server/TracyWorker.cpp b/server/TracyWorker.cpp
index 02161adb..fb2fc09c 100644
--- a/server/TracyWorker.cpp
+++ b/server/TracyWorker.cpp
@@ -371,6 +371,8 @@ Worker::Worker( const char* name, const char* program, const std::vector<ImportE
         else
         {
             auto td = NoticeThread( v.tid );
+            if (td->zoneIdStack.empty())
+                continue;
             td->zoneIdStack.pop_back();
             auto& stack = td->stack;
             auto zone = stack.back_and_pop();