Disable the "pretty stack trace" signal handler,
which can conflict with accurate crash reporting
in multithreaded contexts.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@163282 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Expression/ClangExpressionParser.cpp b/source/Expression/ClangExpressionParser.cpp
index 88e7323..5dd2ce2 100644
--- a/source/Expression/ClangExpressionParser.cpp
+++ b/source/Expression/ClangExpressionParser.cpp
@@ -195,6 +195,8 @@
             llvm::InitializeAllAsmPrinters();
             llvm::InitializeAllTargetMCs();
             llvm::InitializeAllDisassemblers();
+            
+            llvm::DisablePrettyStackTrace = true;
         }
     } InitializeLLVM;