[Bug middle-end/113228] New: [14 Regression] ICE: recalculate_side_effects, at gimplify.cc:3347

["patrick at rivosinc dot com" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113228

            Bug ID: 113228
           Summary: [14 Regression] ICE: recalculate_side_effects, at
                    gimplify.cc:3347
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: patrick at rivosinc dot com
  Target Milestone: ---

Created attachment 56987
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56987&action=edit
-freport-bug output

> /scratch/tc-testing/tc-jan-3-trunk/build-rv64gcv/bin/riscv64-unknown-linux-gnu-gcc -O3 red.c -o rv64gcv.out
during GIMPLE pass: reassoc
red.c: In function 'f':
red.c:15:21: internal compiler error: in recalculate_side_effects, at
gimplify.cc:3347
   15 |         k[0] = k[0] == 0;
      |                ~~~~~^~~~
0x9ec97b recalculate_side_effects
        ../../../gcc/gcc/gimplify.cc:3347
0xf7c9ee gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../../gcc/gcc/gimplify.cc:18589
0xfa2791 force_gimple_operand_1(tree_node*, gimple**, bool (*)(tree_node*),
tree_node*)
        ../../../gcc/gcc/gimplify-me.cc:78
0xfa28f1 force_gimple_operand_gsi_1(gimple_stmt_iterator*, tree_node*, bool
(*)(tree_node*), tree_node*, bool, gsi_iterator_update)
        ../../../gcc/gcc/gimplify-me.cc:115
0xfa28f1 force_gimple_operand_gsi(gimple_stmt_iterator*, tree_node*, bool,
tree_node*, bool, gsi_iterator_update)
        ../../../gcc/gcc/gimplify-me.cc:141
0x14afa61 force_into_ssa_name
        ../../../gcc/gcc/tree-ssa-reassoc.cc:2765
0x14b4b28 update_range_test
        ../../../gcc/gcc/tree-ssa-reassoc.cc:2972
0x14c0b77 optimize_range_tests
        ../../../gcc/gcc/tree-ssa-reassoc.cc:4139
0x14c36b6 reassociate_bb
        ../../../gcc/gcc/tree-ssa-reassoc.cc:7100
0x14c38a8 reassociate_bb
        ../../../gcc/gcc/tree-ssa-reassoc.cc:7265
0x14c38a8 reassociate_bb
        ../../../gcc/gcc/tree-ssa-reassoc.cc:7265
0x14c38a8 reassociate_bb
        ../../../gcc/gcc/tree-ssa-reassoc.cc:7265
0x14c5ef3 do_reassoc
        ../../../gcc/gcc/tree-ssa-reassoc.cc:7377
0x14c5ef3 execute_reassoc
        ../../../gcc/gcc/tree-ssa-reassoc.cc:7466
0x14c5ef3 execute
        ../../../gcc/gcc/tree-ssa-reassoc.cc:7507
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

Found on riscv but also shows up on x86/arm

Godbolt: https://godbolt.org/z/j4786cav7