MFC r262528: Update LLDB snapshot to upstream r202189

  Highlights include (upstream revs in parens):

  - Improvements to the remote GDB protocol client
    (r196610, r197579, r197857, r200072, and others)

  - Bug fixes for big-endian targets
    (r196808)

  - Initial support for libdispatch (GCD) queues in the debuggee
    (r197190)

  - Add "step-avoid-libraries" setting
    (r199943)

  - IO subsystem improvements (including initial work on a curses gui)
    (r200263)

  - Support hardware watchpoints on FreeBSD
    (r201706)

  - Improved unwinding through hand-written assembly functions
    (r201839)

  - Handle DW_TAG_unspecified_parameters for variadic functions
    (r202061)

  - Fix Ctrl+C interrupting a running inferior process
    (r202086, r202154)

  - Various bug fixes for memory leaks, LLDB segfaults, the C++ demangler,
    ELF core files, DWARF debug info, and others.

Sponsored by:	DARPA, AFRL

1 files changed, 1 insertions, 1 deletions

diff --git a/contrib/llvm/tools/lldb/source/Interpreter/Options.cpp b/contrib/llvm/tools/lldb/source/Interpreter/Options.cpp
index 8d245cc..c6c66d8 100644
--- a/contrib/llvm/tools/lldb/source/Interpreter/Options.cpp
+++ b/contrib/llvm/tools/lldb/source/Interpreter/Options.cpp
@@ -952,7 +952,7 @@ Options::HandleOptionArgumentCompletion
 
             // If this is the "shlib" option and there was an argument provided,
             // restrict it to that shared library.
-            if (strcmp(cur_opt_name, "shlib") == 0 && cur_arg_pos != -1)
+            if (cur_opt_name && strcmp(cur_opt_name, "shlib") == 0 && cur_arg_pos != -1)
             {
                 const char *module_name = input.GetArgumentAtIndex(cur_arg_pos);
                 if (module_name)