Bug#368459: libc6: example program for backtrace() has invalid reads and use of uninit values

[Justin Pryzby <justinpryzby@users.sourceforge.net>]

Package: libc6
Version: 2.3.6-7
Severity: normal

The backtrace() example found at:
  file:///usr/share/doc/glibc-doc/html/libc_33.html#SEC669

generates valgrind warnings about an invalid read an uninitialized
values.