[Bug other/58712] New: [4.9 Regression] issues found by --enable-checking=valgrind

["markus at trippelsdorf dot de" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58712

            Bug ID: 58712
           Summary: [4.9 Regression] issues found by
                    --enable-checking=valgrind
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
          Assignee: unassigned at gcc dot gnu.org
          Reporter: markus at trippelsdorf dot de

1)
==4348== Conditional jump or move depends on uninitialised value(s)
==4348==    at 0x5CF50C: cgraph_create_edge_1(cgraph_node*, cgraph_node*,
gimple_statement_d*, long, int) (cgraph.c:695)
==4348==    by 0x5D005E: cgraph_create_edge(cgraph_node*, cgraph_node*,
gimple_statement_d*, long, int) (cgraph.c:890)
==4348==    by 0x5D80A1: cgraph_clone_edge(cgraph_edge*, cgraph_node*,
gimple_statement_d*, unsigned int, long, int, bool) (cgraphclones.c:135)
==4348==    by 0x86C7E4: copy_body(copy_body_data*, long, int,
basic_block_def*, basic_block_def*, basic_block_def*) (tree-inline.c:1741)
==4348==    by 0x86F94F: optimize_inline_calls(tree_node*) (tree-inline.c:4258)
==4348==    by 0xC0029A: (anonymous namespace)::pass_early_inline::execute()
(ipa-inline.c:2257)
==4348==    by 0x793AA9: execute_one_pass(opt_pass*) (passes.c:2202)
==4348==    by 0x793C55: execute_pass_list(opt_pass*) (passes.c:2254)
==4348==    by 0x7926C2: do_per_function_toporder(void (*)(void*), void*)
(passes.c:1620)
==4348==    by 0x7941A6: execute_ipa_pass_list(opt_pass*) (passes.c:2572)
==4348==    by 0x5D7721: compile() (cgraphunit.c:1981)
==4348==    by 0x5D7E24: finalize_compilation_unit() (cgraphunit.c:2269)
==4348== 

Probably caused by r201632.

2)
==9588== Use of uninitialised value of size 8
==9588==    at 0x8704C5: pointer_set_lookup(pointer_set_t const*, void const*,
unsigned long*) (pointer-set.c:90)
==9588==    by 0x870544: pointer_set_insert(pointer_set_t*, void const*)
(pointer-set.c:147)
==9588==    by 0x6AB402: analyze_functions() (cgraphunit.c:847)
==9588==    by 0x6AC415: finalize_compilation_unit() (cgraphunit.c:2260)
==9588==    by 0x568435: cp_write_global_declarations() (decl2.c:4421)
==9588==    by 0x90095C: compile_file() (toplev.c:560)
==9588==    by 0x902499: toplev_main(int, char**) (toplev.c:1893)
==9588==    by 0x4ED5A6D: (below main) (in /lib64/libc-2.18.90.so)
==9588== 
==9588== Conditional jump or move depends on uninitialised value(s)
==9588==    at 0x8704CC: pointer_set_lookup(pointer_set_t const*, void const*,
unsigned long*) (pointer-set.c:90)
==9588==    by 0x870544: pointer_set_insert(pointer_set_t*, void const*)
(pointer-set.c:147)
==9588==    by 0x6AB402: analyze_functions() (cgraphunit.c:847)
==9588==    by 0x6AC415: finalize_compilation_unit() (cgraphunit.c:2260)
==9588==    by 0x568435: cp_write_global_declarations() (decl2.c:4421)
==9588==    by 0x90095C: compile_file() (toplev.c:560)
==9588==    by 0x902499: toplev_main(int, char**) (toplev.c:1893)
==9588==    by 0x4ED5A6D: (below main) (in /lib64/libc-2.18.90.so)

Probably caused by r200367.

3)
==1269== Invalid write of size 8
==1269==    at 0x63BDBD: iterative_hash_canonical_type(tree_node*, unsigned
int) (gimple.c:3220)
==1269==    by 0xC224F1: htab_find_slot (hashtab.c:704)
==1269==    by 0x641818: gimple_register_canonical_type(tree_node*)
(gimple.c:3488)
==1269==    by 0x504AEB: lto_read_decls(lto_file_decl_data*, void const*,
vec<ld_plugin_symbol_resolution, va_heap, vl_ptr>) (lto.c:2495)
==1269==    by 0x505CBB: lto_main() (lto.c:2786)
==1269==    by 0x7B3A95: compile_file() (toplev.c:546)
==1269==    by 0x7B5619: toplev_main(int, char**) (toplev.c:1893)
==1269==    by 0x4ED5A6D: (below main) (in /lib64/libc-2.18.90.so)
==1269==  Address 0x40325a0 is not stack'd, malloc'd or (recently) free'd

This is an older issue, see PR55358 for more info.