https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82127
--- Comment #1 from Andreas Schwab <sch...@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.
