[Bug middle-end/106642] cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64

[rearnsha at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106642

Richard Earnshaw <rearnsha at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2022-08-16
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1

--- Comment #2 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
Seems to be stuck in a recursive loop:

#9  0x0000000001700472 in generic_simplify_GT_EXPR (loc=2147516709, 
    type=0x7ffff752a5e8, _p0=0x7ffff5a65900, _p1=0x7ffff72fb288, 
    code=<optimized out>) at generic-match.cc:75812
#10 0x00000000017ae6ee in generic_simplify (loc=loc@entry=2147516709, 
    code=code@entry=GT_EXPR, type=type@entry=0x7ffff752a5e8, 
    _p0=_p0@entry=0x7ffff5a65900, _p1=_p1@entry=0x7ffff72fb288)
    at generic-match.cc:93192
#11 0x0000000000c33376 in fold_binary_loc (loc=2147516709, code=GT_EXPR, 
    type=0x7ffff752a5e8, op0=0x7ffff5a65900, op1=0x7ffff72fb288)
    at /home/rearnsha/gnusrc/gcc-cross/master/gcc/fold-const.cc:10893
#12 0x0000000000c3b8fe in fold_build2_loc (loc=loc@entry=2147516709, 
    code=code@entry=GT_EXPR, type=type@entry=0x7ffff752a5e8, 
    op0=op0@entry=0x7ffff5a65900, op1=0x7ffff72fb288)
    at /home/rearnsha/gnusrc/gcc-cross/master/gcc/fold-const.cc:13845
#13 0x00000000016a0eff in generic_simplify_22 (loc=2147516709, 
    type=0x7ffff752a5e8, captures=0x7ffffffe8140, cmp=GT_EXPR, 
    _p1=<optimized out>, _p0=<optimized out>) at generic-match.cc:2445
#14 0x0000000001700472 in generic_simplify_GT_EXPR (loc=2147516709, 
    type=0x7ffff752a5e8, _p0=0x7ffff5a65930, _p1=0x7ffff72fb288, 
    code=<optimized out>) at generic-match.cc:75812