[Bug ada/82127] [8 regression] gnat.dg/specs/constructor.ads FAILs

["schwab at linux-m68k dot org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82127

--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
This is the failure on ia64:

Program received signal SIGSEGV, Segmentation fault.
wi::fits_to_tree_p<generic_wide_int<wide_int_ref_storage<false> > > (
    x=<error reading variable: Cannot access memory at address
0x6008000004000298>, 
    type=<error reading variable: Cannot access memory at address
0x60080000040002a0>) at ../../gcc/tree.h:5263
5263    wi::fits_to_tree_p (const T &x, const_tree type)
(gdb) bt
#0  wi::fits_to_tree_p<generic_wide_int<wide_int_ref_storage<false> > > (
    x=<error reading variable: Cannot access memory at address
0x6008000004000298>, 
    type=<error reading variable: Cannot access memory at address
0x60080000040002a0>) at ../../gcc/tree.h:5263
#1  0x4000000002133190 in force_fit_type (
    type=<error reading variable: Cannot access memory at address
0x6008000004000248>, 
    cst=<error reading variable: Cannot access memory at address
0x6008000004000250>, 
    overflowable=<error reading variable: Cannot access memory at address
0x6008000004000258>, 
    overflowed=<error reading variable: Cannot access memory at address
0x6008000004000260>) at ../../gcc/tree.c:1348
(gdb) x/i $pc
=> 0x40000000021419c0
<wi::fits_to_tree_p<generic_wide_int<wide_int_ref_storage<false> >
>(generic_wide_int<wide_int_ref_storage<false> > const&, tree_node const*)>:  
[MMI]       alloc r39=ar.pfs,15,10,0

That looks like a stack overflow.