Index: third_party/libunwind/src/src/EHHeaderParser.hpp
--- third_party/libunwind/src/src/EHHeaderParser.hpp.orig
+++ third_party/libunwind/src/src/EHHeaderParser.hpp
@@ -161,6 +161,10 @@ bool EHHeaderParser<A>::findFDE(A &addressSpace,
 
 template <typename A>
 size_t EHHeaderParser<A>::getTableEntrySize(uint8_t tableEnc) {
+  if (tableEnc == DW_EH_PE_omit) {
+    return 0;
+  }
+
   switch (tableEnc & 0x0f) {
   case DW_EH_PE_sdata2:
   case DW_EH_PE_udata2:
@@ -174,8 +178,6 @@ size_t EHHeaderParser<A>::getTableEntrySize(uint8_t ta
   case DW_EH_PE_sleb128:
   case DW_EH_PE_uleb128:
     _LIBUNWIND_ABORT("Can't binary search on variable length encoded data.");
-  case DW_EH_PE_omit:
-    return 0;
   default:
     _LIBUNWIND_ABORT("Unknown DWARF encoding for search table.");
   }
