Index: lldb/source/Utility/LLDBAssert.cpp
===================================================================
--- lldb/source/Utility/LLDBAssert.cpp
+++ lldb/source/Utility/LLDBAssert.cpp
@@ -27,4 +27,7 @@
   llvm::sys::PrintStackTrace(errs());
   errs() << "please file a bug report against lldb reporting this failure "
             "log, and as many details as possible\n";
+
+  // In a build with assertions enabled we want this to abort.
+  assert(false && "lldb_assert failed");
 }