[Bug middle-end/70307] New: [6 Regression] ICE: in gimplify_expr, at gimplify.c:10915 on valid code

[zsojka at seznam dot cz]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70307

            Bug ID: 70307
           Summary: [6 Regression] ICE: in gimplify_expr, at
                    gimplify.c:10915 on valid code
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zsojka at seznam dot cz
  Target Milestone: ---
            Target: x86_64-*, aarch64-*, powerpc*-*, sparc*-*, i686-*,
                    arm*-*

Compiler output:
$ gcc testcase.c
testcase.c: In function 'foo':
testcase.c:6:12: internal compiler error: in gimplify_expr, at gimplify.c:10934
   return i <= (v4si){(0, 0)};
          ~~^~~~~~~~~~~~~~~~~
0x8f4d83 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /repo/gcc-trunk/gcc/gimplify.c:10934
0x8f283d gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /repo/gcc-trunk/gcc/gimplify.c:10907
0x8f3ff7 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /repo/gcc-trunk/gcc/gimplify.c:10807
0x90578c gimplify_modify_expr
        /repo/gcc-trunk/gcc/gimplify.c:4721
0x8f3f84 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /repo/gcc-trunk/gcc/gimplify.c:10190
0x8f7186 gimplify_stmt(tree_node**, gimple**)
        /repo/gcc-trunk/gcc/gimplify.c:5656
0x8f545e gimplify_and_add
        /repo/gcc-trunk/gcc/gimplify.c:425
0x8f545e gimplify_return_expr
        /repo/gcc-trunk/gcc/gimplify.c:1359
0x8f545e gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /repo/gcc-trunk/gcc/gimplify.c:10439
0x8f7186 gimplify_stmt(tree_node**, gimple**)
        /repo/gcc-trunk/gcc/gimplify.c:5656
0x8f83a7 gimplify_bind_expr
        /repo/gcc-trunk/gcc/gimplify.c:1142
0x8f4152 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /repo/gcc-trunk/gcc/gimplify.c:10389
0x8f7186 gimplify_stmt(tree_node**, gimple**)
        /repo/gcc-trunk/gcc/gimplify.c:5656
0x8f8e96 gimplify_body(tree_node*, bool)
        /repo/gcc-trunk/gcc/gimplify.c:11336
0x8f94f6 gimplify_function_tree(tree_node*)
        /repo/gcc-trunk/gcc/gimplify.c:11492
0x755c77 cgraph_node::analyze()
        /repo/gcc-trunk/gcc/cgraphunit.c:625
0x7587e0 analyze_functions
        /repo/gcc-trunk/gcc/cgraphunit.c:1086
0x759a48 symbol_table::finalize_compilation_unit()
        /repo/gcc-trunk/gcc/cgraphunit.c:2542
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r234350 - FAIL
r234247 - FAIL
5-branch r234210 - OK