[llvm] r253393 - Fix null dereference committed in r253277

[David Blaikie via llvm-commits]

Author: dblaikie
Date: Tue Nov 17 16:39:26 2015
New Revision: 253393

URL: http://llvm.org/viewvc/llvm-project?rev=253393&view=rev
Log:
Fix null dereference committed in r253277

Modified:
    llvm/trunk/lib/DebugInfo/DWARF/DWARFUnit.cpp

Modified: llvm/trunk/lib/DebugInfo/DWARF/DWARFUnit.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/DWARF/DWARFUnit.cpp?rev=253393&r1=253392&r2=253393&view=diff
==============================================================================
--- llvm/trunk/lib/DebugInfo/DWARF/DWARFUnit.cpp (original)
+++ llvm/trunk/lib/DebugInfo/DWARF/DWARFUnit.cpp Tue Nov 17 16:39:26 2015
@@ -38,8 +38,9 @@ DWARFUnit::DWARFUnit(DWARFContext &DC, c
                      const DWARFUnitIndex::Entry *IndexEntry)
     : Context(DC), InfoSection(Section), Abbrev(DA), RangeSection(RS),
       LineSection(LS), StringSection(SS), StringOffsetSection([&]() {
-        if (const auto *C = IndexEntry->getOffset(DW_SECT_STR_OFFSETS))
-          return SOS.slice(C->Offset, C->Offset + C->Length);
+        if (IndexEntry)
+          if (const auto *C = IndexEntry->getOffset(DW_SECT_STR_OFFSETS))
+            return SOS.slice(C->Offset, C->Offset + C->Length);
         return SOS;
       }()),
       AddrOffsetSection(AOS), isLittleEndian(LE), UnitSection(UnitSection),