[Bug tree-optimization/103231] ICE (nondeterministic) on valid code at -O1 on x86_64-linux-gnu: Segmentation fault

["marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103231

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |marxin at gcc dot gnu.org
   Last reconfirmed|                            |2021-11-14
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
I can reproduce it with ulimit -s 4096, having ulimit -s 8192 works.
BT is following:

#0  gimple_ranger::range_of_stmt (this=0x2ceda20, r=..., s=0x7ffff72e9800,
name=0x7ffff72ea1b0) at /home/marxin/Programming/gcc/gcc/gimple-range.cc:259
#1  0x0000000001bc1045 in gimple_ranger::range_on_entry (this=0x2ceda20, r=...,
bb=0x7ffff766db60, name=0x7ffff72ea1b0) at
/home/marxin/Programming/gcc/gcc/gimple-range.cc:141
#2  0x0000000001bc1b91 in gimple_ranger::range_of_expr (this=0x2ceda20, r=...,
expr=0x7ffff72ea1b0, stmt=<optimized out>) at
/home/marxin/Programming/gcc/gcc/gimple-range.cc:118
#3  0x0000000001bc128c in gimple_ranger::range_on_exit (this=0x2ceda20, r=...,
bb=0x7ffff766db60, name=0x7ffff72ea1b0) at
/home/marxin/Programming/gcc/gcc/gimple-range.cc:178
#4  0x0000000001bc1eee in gimple_ranger::range_on_edge (this=0x2ceda20, r=...,
e=<optimized out>, name=0x7ffff72ea1b0) at
/home/marxin/Programming/gcc/gcc/gimple-range.cc:222
#5  0x0000000001bc8818 in fur_stmt::get_phi_operand (this=<optimized out>,
r=..., expr=0x7ffff72ea1b0, e=0x7ffff77802d0) at
/home/marxin/Programming/gcc/gcc/gimple-range-fold.cc:167
#6  0x0000000001bca5cf in fold_using_range::range_of_phi (this=0x7fffffc034ef,
r=..., phi=0x7ffff72e9a00, src=...) at
/home/marxin/Programming/gcc/gcc/gimple-range-fold.cc:789
#7  0x0000000001bccea1 in fold_using_range::fold_stmt (this=0x7fffffc034ef,
r=..., s=0x7ffff72e9a00, src=..., name=0x7ffff72ea240) at
/home/marxin/Programming/gcc/gcc/gimple-range-fold.cc:554
#8  0x0000000001bc1457 in gimple_ranger::fold_range_internal
(this=this@entry=0x2ceda20, r=..., s=s@entry=0x7ffff72e9a00,
name=name@entry=0x7ffff72ea240) at
/home/marxin/Programming/gcc/gcc/gimple-range.cc:243
#9  0x0000000001bc1707 in gimple_ranger::range_of_stmt (this=0x2ceda20, r=...,
s=0x7ffff72e9a00, name=0x7ffff72ea240) at
/home/marxin/Programming/gcc/gcc/gimple-range.cc:296