gdb: gdb: Out-of-bounds write in STABS parser read_member_functions() via crafted ELF

A flaw was found in GDB's STABS debug format parser. The readmemberfunctions function in gdb/stabsread.c contains a linked list removal bug in the code that separates destructor and non-destructor member functions of C++ classes. The bug causes the destructor entries to remain in the main functio...