<div dir="ltr">Test case?</div><br><div class="gmail_quote"><div dir="ltr">On Mon, Mar 12, 2018 at 7:47 AM Jonas Devlieghere 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: jdevlieghere<br>
Date: Mon Mar 12 07:45:08 2018<br>
New Revision: 327274<br>
<br>
URL: <a href="http://llvm.org/viewvc/llvm-project?rev=327274&view=rev" rel="noreferrer" target="_blank">http://llvm.org/viewvc/llvm-project?rev=327274&view=rev</a><br>
Log:<br>
[DebugInfo] Replace unreachable with None<br>
<br>
Invalid user input should not trigger assertions and unreachables. We<br>
already return an Option so we should just return None here.<br>
<br>
Fixes <a href="https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5532" rel="noreferrer" target="_blank">https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5532</a><br>
<br>
Modified:<br>
    llvm/trunk/lib/DebugInfo/DWARF/DWARFFormValue.cpp<br>
<br>
Modified: llvm/trunk/lib/DebugInfo/DWARF/DWARFFormValue.cpp<br>
URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/DWARF/DWARFFormValue.cpp?rev=327274&r1=327273&r2=327274&view=diff" rel="noreferrer" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/DWARF/DWARFFormValue.cpp?rev=327274&r1=327273&r2=327274&view=diff</a><br>
==============================================================================<br>
--- llvm/trunk/lib/DebugInfo/DWARF/DWARFFormValue.cpp (original)<br>
+++ llvm/trunk/lib/DebugInfo/DWARF/DWARFFormValue.cpp Mon Mar 12 07:45:08 2018<br>
@@ -161,7 +161,7 @@ DWARFFormValue::getFixedByteSize(dwarf::<br>
     return 0;<br>
<br>
   default:<br>
-    llvm_unreachable("Handle this form in this switch statement");<br>
+    break;<br>
   }<br>
   return None;<br>
 }<br>
<br>
<br>
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</blockquote></div>