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From: "rearnsha at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug middle-end/106642] cc1 compiler hangs when cross-compiling
 ring_buffer.c (from kernel/events) on Aarch64
Date: Tue, 16 Aug 2022 13:56:55 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106642

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=3D2147516709,=20
    type=3D0x7ffff752a5e8, _p0=3D0x7ffff5a65900, _p1=3D0x7ffff72fb288,=20
    code=3D<optimized out>) at generic-match.cc:75812
#10 0x00000000017ae6ee in generic_simplify (loc=3Dloc@entry=3D2147516709,=20
    code=3Dcode@entry=3DGT_EXPR, type=3Dtype@entry=3D0x7ffff752a5e8,=20
    _p0=3D_p0@entry=3D0x7ffff5a65900, _p1=3D_p1@entry=3D0x7ffff72fb288)
    at generic-match.cc:93192
#11 0x0000000000c33376 in fold_binary_loc (loc=3D2147516709, code=3DGT_EXPR=
,=20
    type=3D0x7ffff752a5e8, op0=3D0x7ffff5a65900, op1=3D0x7ffff72fb288)
    at /home/rearnsha/gnusrc/gcc-cross/master/gcc/fold-const.cc:10893
#12 0x0000000000c3b8fe in fold_build2_loc (loc=3Dloc@entry=3D2147516709,=20
    code=3Dcode@entry=3DGT_EXPR, type=3Dtype@entry=3D0x7ffff752a5e8,=20
    op0=3Dop0@entry=3D0x7ffff5a65900, op1=3D0x7ffff72fb288)
    at /home/rearnsha/gnusrc/gcc-cross/master/gcc/fold-const.cc:13845
#13 0x00000000016a0eff in generic_simplify_22 (loc=3D2147516709,=20
    type=3D0x7ffff752a5e8, captures=3D0x7ffffffe8140, cmp=3DGT_EXPR,=20
    _p1=3D<optimized out>, _p0=3D<optimized out>) at generic-match.cc:2445
#14 0x0000000001700472 in generic_simplify_GT_EXPR (loc=3D2147516709,=20
    type=3D0x7ffff752a5e8, _p0=3D0x7ffff5a65930, _p1=3D0x7ffff72fb288,=20
    code=3D<optimized out>) at generic-match.cc:75812=