[Bug c/59164] New: ice: tree check: expected tree that contains ‘decl minimal’ structure, have ‘integer_cst’ in get_var_info, at tree-into-ssa.c:380

[regehr at cs dot utah.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59164

            Bug ID: 59164
           Summary: ice: tree check: expected tree that contains ‘decl
                    minimal’ structure, have ‘integer_cst’ in
                    get_var_info, at tree-into-ssa.c:380
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: regehr at cs dot utah.edu
                CC: chenyang at cs dot utah.edu

regehr@regehr-M51AC:~/z/reduce/r104$ gcc -O3 small.c -c
small.c: In function ‘fn2’:
small.c:9:6: internal compiler error: tree check: expected tree that contains
‘decl minimal’ structure, have ‘integer_cst’ in get_var_info, at
tree-into-ssa.c:380
 void fn2(void) {
      ^
0xbec8e4 tree_contains_struct_check_failed(tree_node const*,
tree_node_structure_enum, char const*, int, char const*)
    /home/regehr/z/compiler-source/gcc/gcc/tree.c:9340
0x54ddf7 contains_struct_check
    /home/regehr/z/compiler-source/gcc/gcc/tree.h:2820
0x54ddf7 get_var_info
    /home/regehr/z/compiler-source/gcc/gcc/tree-into-ssa.c:380
0xa4761e get_var_info
    /home/regehr/z/compiler-source/gcc/gcc/hash-table.h:825
0xa4761e get_common_info
    /home/regehr/z/compiler-source/gcc/gcc/tree-into-ssa.c:413
0xa4761e get_current_def(tree_node*)
    /home/regehr/z/compiler-source/gcc/gcc/tree-into-ssa.c:422
0xbbea64 slpeel_update_phi_nodes_for_guard1
    /home/regehr/z/compiler-source/gcc/gcc/tree-vect-loop-manip.c:474
0xbbea64 slpeel_tree_peel_loop_to_edge
    /home/regehr/z/compiler-source/gcc/gcc/tree-vect-loop-manip.c:1307
0xbc09ed vect_do_peeling_for_loop_bound(_loop_vec_info*, tree_node**, unsigned
int, bool)
    /home/regehr/z/compiler-source/gcc/gcc/tree-vect-loop-manip.c:1798
0xbb0437 vect_transform_loop(_loop_vec_info*)
    /home/regehr/z/compiler-source/gcc/gcc/tree-vect-loop.c:5662
0xbcd2cf vectorize_loops()
    /home/regehr/z/compiler-source/gcc/gcc/tree-vectorizer.c:375
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.
regehr@regehr-M51AC:~/z/reduce/r104$ cat small.c
int a, d, e;
long b[10];
int c[10][8];

int fn1(p1) { 
  return 1 >> p1; 
}

void fn2(void) {
  int f;
  for (a=1; a <= 4; a++) {
    f = fn1(0 < c[a][0]);
    if (f || d)
      e = b[a] = 1;
  }
}
regehr@regehr-M51AC:~/z/reduce/r104$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/home/regehr/z/compiler-install/gcc-r204924-install/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /home/regehr/z/compiler-source/gcc/configure
--prefix=/home/regehr/z/compiler-install/gcc-r204924-install
--enable-languages=c,c++ --enable-multilib
Thread model: posix
gcc version 4.9.0 20131117 (experimental) (GCC)