[Bug tree-optimization/58539] [4.7/4.8/4.9 Regression] ICE with segfault at -O3 with -g enabled on x86_64-linux-gnu
mpolacek at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Thu Sep 26 05:00:00 GMT 2013
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58539
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2013-09-26
CC| |mpolacek at gcc dot gnu.org
Summary|ICE with segfault at -O3 |[4.7/4.8/4.9 Regression]
|with -g enabled on |ICE with segfault at -O3
|x86_64-linux-gnu (affecting |with -g enabled on
|trunk, 4.8, and 4.7) |x86_64-linux-gnu
Ever confirmed|0 |1
--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed. With trunk:
a.c: In function ‘bar’:
a.c:10:6: internal compiler error: gimple check: expected
gimple_phi(error_mark), have gimple_debug() in gimple_phi_result_ptr, at
gimple.h:3561
void bar ()
^
0x76ca07 gimple_check_failed
/home/marek/src/gcc/gcc/gimple.c:1162
0x4db50c gimple_phi_result_ptr
/home/marek/src/gcc/gcc/gimple.h:3561
0xae12c6 gimple_phi_result_ptr
/home/marek/src/gcc/gcc/gimple.h:3561
0x4dce1e vect_create_epilog_for_reduction
/home/marek/src/gcc/gcc/tree-vect-loop.c:4564
0xaed650 vectorizable_reduction(gimple_statement_d*, gimple_stmt_iterator_d*,
gimple_statement_d**, _slp_tree*)
/home/marek/src/gcc/gcc/tree-vect-loop.c:5281
0xae003a vect_transform_stmt(gimple_statement_d*, gimple_stmt_iterator_d*,
bool*, _slp_tree*, _slp_instance*)
/home/marek/src/gcc/gcc/tree-vect-stmts.c:5988
0xae40dd vect_transform_loop(_loop_vec_info*)
/home/marek/src/gcc/gcc/tree-vect-loop.c:5859
0xaff270 vectorize_loops()
/home/marek/src/gcc/gcc/tree-vectorizer.c:367
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