commit ed2977fabe45764608ac82d7239a6e08d575a781
author Jason Molenda <jmolenda@apple.com> Thu Oct 27 23:52:46 2016 +0000
committer Jason Molenda <jmolenda@apple.com> Thu Oct 27 23:52:46 2016 +0000
tree 26d0ec8dce75b1c2c14d14d6c50e5102a43d62b2
parent aea899e2a097375118e7b1726247015b79df0379

Check that we got back an object from MakeFunctionCaller
before we call through it.  

<rdar://problem/28979705> 

llvm-svn: 285369

lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetThreadItemInfoHandler.cpp

diff --git a/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetThreadItemInfoHandler.cpp b/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetThreadItemInfoHandler.cpp
index d3ab0fa..4ed43e5 100644
--- a/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetThreadItemInfoHandler.cpp
+++ b/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetThreadItemInfoHandler.cpp
@@ -203,7 +203,7 @@
           m_get_thread_item_info_impl_code->MakeFunctionCaller(
               get_thread_item_info_return_type, get_thread_item_info_arglist,
               thread_sp, error);
-      if (error.Fail()) {
+      if (error.Fail() || get_thread_item_info_caller == nullptr) {
         if (log)
           log->Printf("Failed to install get-thread-item-info introspection "
                       "caller: %s.",