[Bug tree-optimization/86824] New: [9 Regression] internal compiler error: in replace_stmt, at tree-vectorizer.c:611

["hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86824

            Bug ID: 86824
           Summary: [9 Regression] internal compiler error: in
                    replace_stmt, at tree-vectorizer.c:611
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com
  Target Milestone: ---

On x86-64. r263190 failed to build 482.sphinx3 in SPEC CPU 2006:

gcc -mx32 -c -o new_fe_sp.o -DSPEC_CPU -DNDEBUG -I. -DSPEC_CPU -DHAVE_CONFIG_H
-I. -Ilibutil   -O3 -funroll-loops -ffast-math                 new_fe_sp.c
during GIMPLE pass: vect
new_fe_sp.c: In function 'fe_build_melfilters':
new_fe_sp.c:62:7: internal compiler error: in replace_stmt, at
tree-vectorizer.c:611
 int32 fe_build_melfilters(melfb_t *MEL_FB)
       ^~~~~~~~~~~~~~~~~~~
0x6d9afb vec_info::replace_stmt(gimple_stmt_iterator*, _stmt_vec_info*,
gimple*)
        ../../src-trunk/gcc/tree-vectorizer.c:611
0xed5f43 vectorizable_simd_clone_call
        ../../src-trunk/gcc/tree-vect-stmts.c:4375
0xedc4b0 vect_transform_stmt(_stmt_vec_info*, gimple_stmt_iterator*, bool*,
_slp_tree*, _slp_instance*)
        ../../src-trunk/gcc/tree-vect-stmts.c:9757
0xedeace vect_transform_loop_stmt
        ../../src-trunk/gcc/tree-vect-loop.c:8263
0xeeab45 vect_transform_loop(_loop_vec_info*)
        ../../src-trunk/gcc/tree-vect-loop.c:8476
0xf0cf1c try_vectorize_loop_1
        ../../src-trunk/gcc/tree-vectorizer.c:945
0xf0d9c1 vectorize_loops()
        ../../src-trunk/gcc/tree-vectorizer.c:1077
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
specmake[3]: *** [new_fe_sp.o] Error 1