Fix seg-faulta that can occur when parsing corrupt DWARF2 information, corrupt ELF files and corrupt PE files.
Resolves: #1551779
Resolves: #1573359
Resolves: #1574700
Resolves: #1573365
Resolves: #1551786
Resolves: #1546624
Resolves: #1543245
Resolves: #1539888