.GCC Toolset 13: Compiling with GCC and the `-fstack-protector` flag no longer fails to guard dynamic stack allocations on 64-bit ARM Previously, on the 64-bit ARM architecture, the GCC compiler with the `-fstack-protector` flag failed to detect a buffer overflow in functions containing a C99 variable-length array or an `alloca()`-allocated object. Consequently, an attacker could overwrite saved registers on the stack. With this update, the buffer overflow detection on 64-bit ARM has been fixed. As a result, applications compiled with GCC are more secure.