On Sat, 09 May 2015 20:56:55 +0200, Andreas Schwab wrote:
> Both callers and callees are lengths, and the sum of them can validly
> equal the total length.

This can happen for functions tail-calling themselves.

This is what GCC generated for cc1.  I was unable to create a .c file
reproducing it (GCC does not generate tail-call call site DWARF for the
self-tail-call) but a hand crafted DWARF can crash GDB like cc1 does.


Thanks,
Jan