Fix another seg-fault parsing corrupt DWARF information. (#1573367)
Fix a seg-fault copying a corrupt ELF file. (#1551788)
Fix a seg-fault parsing a large ELF files on a 32-bit host. (#1539891)
Fix a seg-fault running nm on a corrupt ELF file. (#15343247)
Fix a seg-fault running nm on a file containing corrupt DWARF information. (#1551781)
Fix another seg-fault running nm on a file containing corrupt DWARF information. (#1551763)
