Using libbacktrace in libgfortran: some questions

[FX]

> And yet, that patch has absolutely nothing to do with libbacktrace.
> Hmmm.  Let's try this one.

Works perfectly with the patch:

Program aborted. Backtrace:
#0  0xf75e5b9b _gfortrani_show_backtrace
	../../../../trunk/libgfortran/runtime/backtrace.c:113
#1  0xf75e6aa7 _gfortrani_sys_abort
	../../../../trunk/libgfortran/runtime/error.c:176
#2  0xf769a7a7 _gfortran_abort
	../../../../trunk/libgfortran/intrinsics/abort.c:33
#3  0x80486e4 bar
	/home/fx/gcc/irun/a.f90:9
#4  0x8048706 foo
	/home/fx/gcc/irun/a.f90:5
#5  0x80486f2 test
	/home/fx/gcc/irun/a.f90:2
#6  0x8048743 main
	/home/fx/gcc/irun/a.f90:2
Aborted (core dumped)


Thanks!

FX