Test would be nice, but otoh command line tests are discouraged.  Maybe it will be easier to write this kind of test if we had a tool specifically for testing command line options similar to what I proposed with unwinding etc.  oh well<br><div class="gmail_quote"><div dir="ltr">On Mon, Sep 26, 2016 at 2:45 PM Enrico Granata via lldb-commits <<a href="mailto:lldb-commits@lists.llvm.org">lldb-commits@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Author: enrico<br class="gmail_msg">
Date: Mon Sep 26 16:36:17 2016<br class="gmail_msg">
New Revision: 282445<br class="gmail_msg">
<br class="gmail_msg">
URL: <a href="http://llvm.org/viewvc/llvm-project?rev=282445&view=rev" rel="noreferrer" class="gmail_msg" target="_blank">http://llvm.org/viewvc/llvm-project?rev=282445&view=rev</a><br class="gmail_msg">
Log:<br class="gmail_msg">
Fix an issue where LLDB would not accept the --description-verbosity option to 'po' without an argument after the StringRef refactoring<br class="gmail_msg">
<br class="gmail_msg">
Fixes rdar://28480275<br class="gmail_msg">
<br class="gmail_msg">
<br class="gmail_msg">
Modified:<br class="gmail_msg">
    lldb/trunk/source/Commands/CommandObjectExpression.cpp<br class="gmail_msg">
<br class="gmail_msg">
Modified: lldb/trunk/source/Commands/CommandObjectExpression.cpp<br class="gmail_msg">
URL: <a href="http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Commands/CommandObjectExpression.cpp?rev=282445&r1=282444&r2=282445&view=diff" rel="noreferrer" class="gmail_msg" target="_blank">http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Commands/CommandObjectExpression.cpp?rev=282445&r1=282444&r2=282445&view=diff</a><br class="gmail_msg">
==============================================================================<br class="gmail_msg">
--- lldb/trunk/source/Commands/CommandObjectExpression.cpp (original)<br class="gmail_msg">
+++ lldb/trunk/source/Commands/CommandObjectExpression.cpp Mon Sep 26 16:36:17 2016<br class="gmail_msg">
@@ -142,7 +142,7 @@ Error CommandObjectExpression::CommandOp<br class="gmail_msg">
   }<br class="gmail_msg">
<br class="gmail_msg">
   case 'v':<br class="gmail_msg">
-    if (!option_arg.empty()) {<br class="gmail_msg">
+    if (option_arg.empty()) {<br class="gmail_msg">
       m_verbosity = eLanguageRuntimeDescriptionDisplayVerbosityFull;<br class="gmail_msg">
       break;<br class="gmail_msg">
     }<br class="gmail_msg">
<br class="gmail_msg">
<br class="gmail_msg">
_______________________________________________<br class="gmail_msg">
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</blockquote></div>