<div dir="ltr">Test case?</div><br><div class="gmail_quote"><div dir="ltr">On Thu, May 18, 2017 at 10:31 PM Zachary Turner via llvm-commits <<a href="mailto:llvm-commits@lists.llvm.org">llvm-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: zturner<br>
Date: Fri May 19 00:18:09 2017<br>
New Revision: 303408<br>
<br>
URL: <a href="http://llvm.org/viewvc/llvm-project?rev=303408&view=rev" rel="noreferrer" target="_blank">http://llvm.org/viewvc/llvm-project?rev=303408&view=rev</a><br>
Log:<br>
Don't crash if someone tries to visit an empty type stream.<br>
<br>
Modified:<br>
    llvm/trunk/lib/DebugInfo/CodeView/CVTypeVisitor.cpp<br>
<br>
Modified: llvm/trunk/lib/DebugInfo/CodeView/CVTypeVisitor.cpp<br>
URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/CodeView/CVTypeVisitor.cpp?rev=303408&r1=303407&r2=303408&view=diff" rel="noreferrer" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/CodeView/CVTypeVisitor.cpp?rev=303408&r1=303407&r2=303408&view=diff</a><br>
==============================================================================<br>
--- llvm/trunk/lib/DebugInfo/CodeView/CVTypeVisitor.cpp (original)<br>
+++ llvm/trunk/lib/DebugInfo/CodeView/CVTypeVisitor.cpp Fri May 19 00:18:09 2017<br>
@@ -227,6 +227,9 @@ Error CVTypeVisitor::visitTypeStream(CVT<br>
 }<br>
<br>
 Error CVTypeVisitor::visitTypeStream(TypeCollection &Types) {<br>
+  if (Types.empty())<br>
+    return Error::success();<br>
+<br>
   Optional<TypeIndex> I = Types.getFirst();<br>
   do {<br>
     CVType Type = Types.getType(*I);<br>
<br>
<br>
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</blockquote></div>