<div dir="ltr">Test case?</div><br><div class="gmail_quote"><div dir="ltr">On Thu, May 4, 2017 at 11:42 AM Greg Clayton 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: gclayton<br>
Date: Thu May  4 13:29:44 2017<br>
New Revision: 302180<br>
<br>
URL: <a href="http://llvm.org/viewvc/llvm-project?rev=302180&view=rev" rel="noreferrer" target="_blank">http://llvm.org/viewvc/llvm-project?rev=302180&view=rev</a><br>
Log:<br>
Don't return an invalid line table if the DW_AT_stmt_list value is not in the .debug_line section.<br>
<br>
<br>
Modified:<br>
    llvm/trunk/lib/DebugInfo/DWARF/DWARFContext.cpp<br>
<br>
Modified: llvm/trunk/lib/DebugInfo/DWARF/DWARFContext.cpp<br>
URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/DWARF/DWARFContext.cpp?rev=302180&r1=302179&r2=302180&view=diff" rel="noreferrer" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/DWARF/DWARFContext.cpp?rev=302180&r1=302179&r2=302180&view=diff</a><br>
==============================================================================<br>
--- llvm/trunk/lib/DebugInfo/DWARF/DWARFContext.cpp (original)<br>
+++ llvm/trunk/lib/DebugInfo/DWARF/DWARFContext.cpp Thu May  4 13:29:44 2017<br>
@@ -692,6 +692,10 @@ DWARFContext::getLineTableForUnit(DWARFU<br>
   if (const DWARFLineTable *lt = Line->getLineTable(stmtOffset))<br>
     return lt;<br>
<br>
+  // Make sure the offset is good before we try to parse.<br>
+  if (stmtOffset >= U->getLineSection().size())<br>
+    return nullptr;<br>
+<br>
   // We have to parse it first.<br>
   DataExtractor lineData(U->getLineSection(), isLittleEndian(),<br>
                          U->getAddressByteSize());<br>
<br>
<br>
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</blockquote></div>