[Bug tree-optimization/96820] ICE on x86_64-linux-gnu with `-m32` and from `-O0` to `-O3` (internal compiler error: in verify_sra_access_forest, at tree-sra.c:2358)

marxin at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Aug 28 07:26:17 GMT 2020


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96820

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
                 CC|                            |marxin at gcc dot gnu.org
   Last reconfirmed|                            |2020-08-28

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
Fails due to:

#1  0x0000000000e6602c in verify_sra_access_forest (root=0x262cc80) at
/home/marxin/Programming/gcc/gcc/tree-sra.c:2358
2358          gcc_assert (offset == access->offset);
(gdb) p offset
$1 = -386657941920
(gdb) p access->offset
$2 = 437975778912

which must be some overflow?


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