[Bug tree-optimization/69579] gcc ICE at -O3 and __sigsetjmp with “tree check?=: expected ssa name,=?UTF-8?Q? have integer_cst in compute_optimized_partition_bases”

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69579

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2016-01-31
   Target Milestone|---                         |6.0
            Summary|gcc ICE at -O3 on           |gcc ICE at -O3 and
                   |x86_64-linux-gnu with “tree |__sigsetjmp with “tree
                   |check: expected ssa_name,   |check: expected ssa_name,
                   |have integer_cst in         |have integer_cst in
                   |compute_optimized_partition |compute_optimized_partition
                   |_bases”                     |_bases”
     Ever confirmed|0                           |1

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed also on aarch64=linux-gnu.

t00.c:4:5: internal compiler error: tree check: expected ssa_name, have
integer_cst in compute_optimized_partition_bases, at tree-ssa-coalesce.c:1572
 int fun2(struct str *p1) {
     ^~~~

0xd83d27 tree_check_failed(tree_node const*, char const*, int, char const*,
...)
        /home/apinski/src/local/gcc/gcc/tree.c:9605
0xc1721f tree_check(tree_node*, char const*, int, char const*, tree_code)
        /home/apinski/src/local/gcc/gcc/tree.h:3006
0xc1721f compute_optimized_partition_bases
        /home/apinski/src/local/gcc/gcc/tree-ssa-coalesce.c:1572
0xc18e27 coalesce_ssa_name()
        /home/apinski/src/local/gcc/gcc/tree-ssa-coalesce.c:1779
0xbacb33 remove_ssa_form
        /home/apinski/src/local/gcc/gcc/tree-outof-ssa.c:974
0xbacb33 rewrite_out_of_ssa(ssaexpand*)
        /home/apinski/src/local/gcc/gcc/tree-outof-ssa.c:1198
0x6f82d3 execute
        /home/apinski/src/local/gcc/gcc/cfgexpand.c:6124
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