From 44e5a8f077485045f578734d0a015d390c5f54fb Mon Sep 17 00:00:00 2001
From: Christian Stenger <christian.stenger@qt.io>
Date: Wed, 26 Sep 2018 14:38:07 +0200
Subject: [PATCH] Debugger: Avoid crash when loading to core file

Otherwise QC crashes on macOS when loading a core file.

Change-Id: I985eb41026ce9e1da1f49e2cbec448228172ad57
Reviewed-by: hjk <hjk@qt.io>
---
 src/plugins/debugger/lldb/lldbengine.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/plugins/debugger/lldb/lldbengine.cpp b/src/plugins/debugger/lldb/lldbengine.cpp
index 65314844a0e..17338305100 100644
--- a/src/plugins/debugger/lldb/lldbengine.cpp
+++ b/src/plugins/debugger/lldb/lldbengine.cpp
@@ -455,7 +455,8 @@ void LldbEngine::activateFrame(int frameIndex)
 
     DebuggerCommand cmd("activateFrame");
     cmd.arg("index", frameIndex);
-    cmd.arg("thread", threadsHandler()->currentThread()->id());
+    if (Thread thread = threadsHandler()->currentThread())
+        cmd.arg("thread", thread->id());
     runCommand(cmd);
 
     updateLocals();