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From: "trippels at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug bootstrap/62009] Bootstrap failure in vec.h::splice Date: Mon, 04 Aug 2014 13:01:00 -0000 [thread overview] Message-ID: <bug-62009-4-QjOWHNdmpc@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-62009-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62009 Markus Trippelsdorf <trippels at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |trippels at gcc dot gnu.org --- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- Valgrind show: ==20810== Invalid read of size 8 ==20810== at 0xBA4A6F: redirect_edge_var_map_dup(edge_def*, edge_def*) (vec.h:1184) ==20810== by 0x675552: redirect_edge_succ_nodup(edge_def*, basic_block_def*) (cfghooks.c:437) ==20810== by 0xA18098: gimple_redirect_edge_and_branch(edge_def*, basic_block_def*) (tree-cfg.c:5419) ==20810== by 0x6753C9: redirect_edge_and_branch(edge_def*, basic_block_def*) (cfghooks.c:356) ==20810== by 0x675482: remove_branch(edge_def*) (cfghooks.c:398) ==20810== by 0x67F062: remove_path(edge_def*) (cfgloopmanip.c:384) ==20810== by 0xAFE5C2: canonicalize_loop_induction_variables(loop*, bool, unroll_level, bool) (tree-ssa-loop-ivcanon.c:845) ==20810== by 0xAFEE4F: tree_unroll_loops_completely_1(bool, bool, vec<loop*, va_heap, vl_ptr>&, loop*) (tree-ssa-loop-ivcanon.c:1149) ==20810== by 0xAFEDD0: tree_unroll_loops_completely_1(bool, bool, vec<loop*, va_heap, vl_ptr>&, loop*) (tree-ssa-loop-ivcanon.c:1123) ==20810== by 0xAFF802: tree_unroll_loops_completely(bool, bool) (tree-ssa-loop-ivcanon.c:1193) ==20810== by 0x92D88C: execute_one_pass(opt_pass*) (passes.c:2149) ==20810== by 0x92DE15: execute_pass_list_1(opt_pass*) (passes.c:2201) ==20810== Address 0x55a5f08 is 152 bytes inside a block of size 208 free'd ==20810== at 0x40298D0: free (vg_replace_malloc.c:468) ==20810== by 0xBA52ED: hash_table<hash_map<edge_def*, auto_vec<_edge_var_map, 0ul>, default_hashmap_traits>::hash_entry, xcallocator, true>::find_slot_with_hash(edge_def* const&, unsigned int, insert_option) (hash-table.h:1370) ==20810== by 0xBA4A61: redirect_edge_var_map_dup(edge_def*, edge_def*) (hash-map.h:177) ==20810== by 0x675552: redirect_edge_succ_nodup(edge_def*, basic_block_def*) (cfghooks.c:437) ==20810== by 0xA18098: gimple_redirect_edge_and_branch(edge_def*, basic_block_def*) (tree-cfg.c:5419) ==20810== by 0x6753C9: redirect_edge_and_branch(edge_def*, basic_block_def*) (cfghooks.c:356) ==20810== by 0x675482: remove_branch(edge_def*) (cfghooks.c:398) ==20810== by 0x67F062: remove_path(edge_def*) (cfgloopmanip.c:384) ==20810== by 0xAFE5C2: canonicalize_loop_induction_variables(loop*, bool, unroll_level, bool) (tree-ssa-loop-ivcanon.c:845) ==20810== by 0xAFEE4F: tree_unroll_loops_completely_1(bool, bool, vec<loop*, va_heap, vl_ptr>&, loop*) (tree-ssa-loop-ivcanon.c:1149) ==20810== by 0xAFEDD0: tree_unroll_loops_completely_1(bool, bool, vec<loop*, va_heap, vl_ptr>&, loop*) (tree-ssa-loop-ivcanon.c:1123) ==20810== by 0xAFF802: tree_unroll_loops_completely(bool, bool) (tree-ssa-loop-ivcanon.c:1193) ==20810== ==20810== Conditional jump or move depends on uninitialised value(s) ==20810== at 0xECD18A: register_active_defs(df_ref_d*) (sparseset.h:147) ==20810== by 0xECD23E: update_df_init(rtx_def*, rtx_def*) (fwprop.c:878) ==20810== by 0xECD564: try_fwprop_subst(df_ref_d*, rtx_def**, rtx_def*, rtx_def*, bool) (fwprop.c:945) ==20810== by 0xECDA5A: forward_propagate_into(df_ref_d*) (fwprop.c:1320) ==20810== by 0xECDFE7: (anonymous namespace)::pass_rtl_fwprop::execute(function*) (fwprop.c:1457) ==20810== by 0x92D88C: execute_one_pass(opt_pass*) (passes.c:2149) ==20810== by 0x92DE15: execute_pass_list_1(opt_pass*) (passes.c:2201) ==20810== by 0x92DE27: execute_pass_list_1(opt_pass*) (passes.c:2202) ==20810== by 0x92DE68: execute_pass_list(function*, opt_pass*) (passes.c:2212) ==20810== by 0x6997AF: expand_function(cgraph_node*) (cgraphunit.c:1776) ==20810== by 0x69ADD3: compile() (cgraphunit.c:1910) ==20810== by 0x69C874: finalize_compilation_unit() (cgraphunit.c:2331) ==20810== Uninitialised value was created by a heap allocation ==20810== at 0x4028510: malloc (vg_replace_malloc.c:291) ==20810== by 0xFC8D27: xmalloc (xmalloc.c:147) ==20810== by 0x9CE0A4: sparseset_alloc(unsigned long) (sparseset.c:33) ==20810== by 0xECCA82: fwprop_init() (fwprop.c:1401) ==20810== by 0xECDF5A: (anonymous namespace)::pass_rtl_fwprop::execute(function*) (fwprop.c:1441) ==20810== by 0x92D88C: execute_one_pass(opt_pass*) (passes.c:2149) ==20810== by 0x92DE15: execute_pass_list_1(opt_pass*) (passes.c:2201) ==20810== by 0x92DE27: execute_pass_list_1(opt_pass*) (passes.c:2202) ==20810== by 0x92DE68: execute_pass_list(function*, opt_pass*) (passes.c:2212) ==20810== by 0x6997AF: expand_function(cgraph_node*) (cgraphunit.c:1776) ==20810== by 0x69ADD3: compile() (cgraphunit.c:1910) ==20810== by 0x69C874: finalize_compilation_unit() (cgraphunit.c:2331)
next prev parent reply other threads:[~2014-08-04 13:01 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-08-04 11:51 [Bug bootstrap/62009] New: Bootstrap failure on i686 izamyatin at gmail dot com 2014-08-04 12:47 ` [Bug bootstrap/62009] Bootstrap failure in vec.h::splice jgreenhalgh at gcc dot gnu.org 2014-08-04 13:01 ` trippels at gcc dot gnu.org [this message] 2021-09-01 0:50 ` [Bug bootstrap/62009] [5 Regression] " pinskia at gcc dot gnu.org
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