[Bug libstdc++/37144] A bug in include/ext/pb_ds/detail/pat_trie_/constructors_destructor_fn_imps.hpp

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

------- Comment #20 from hjl dot tools at gmail dot com  2008-12-11 17:33 -------
We created a temporary because

(gdb) bt
#0  pair<const __gnu_pbds::test::basic_type, __gnu_pbds::test::basic_type> (
    this=0x7fffffffc6c0, __p=@0x7fffffffc750)
    at
/export/build/gnu/gcc-work/build-x86_64-linux/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits/stl_pair.h:106
#1  0x0000000000420a26 in
__gnu_pbds::test::detail::regression_test_type_traits<__gnu_pbds::trie<__gnu_pbds::test::basic_type,
__gnu_pbds::test::basic_type,
__gnu_pbds::string_trie_e_access_traits<__gnu_pbds::test::basic_type, (char)97,
(char)100, false, __gnu_cxx::throw_allocator<__gnu_pbds::test::basic_type> >,
__gnu_pbds::pat_trie_tag, __gnu_pbds::null_trie_node_update,
__gnu_cxx::throw_allocator<__gnu_pbds::test::basic_type> > >::extract_key
(r_val=@0x7fffffffc750)
    at
/export/gnu/src/gcc-work/gcc/libstdc++-v3/testsuite/util/regression/trait/assoc/type_trait.hpp:82
#2  0x0000000000413cef in
__gnu_pbds::test::detail::regression_test_traits<__gnu_pbds::trie<__gnu_pbds::test::basic_type,
__gnu_pbds::test::basic_type,
__gnu_pbds::string_trie_e_access_traits<__gnu_pbds::test::basic_type, (char)97,
(char)100, false, __gnu_cxx::throw_allocator<__gnu_pbds::test::basic_type> >,
__gnu_pbds::pat_trie_tag, __gnu_pbds::null_trie_node_update,
__gnu_cxx::throw_allocator<__gnu_pbds::test::basic_type> > >::extract_key
(r_val=@0x7fffffffc750)
    at
/export/gnu/src/gcc-work/gcc/libstdc++-v3/testsuite/util/regression/trait/assoc/trait.hpp:164
#3  0x000000000040cdfb in
__gnu_pbds::test::detail::container_rand_regression_test<__gnu_pbds::trie<__gnu_pbds::test::basic_type,
__gnu_pbds::test::basic_type,
__gnu_pbds::string_trie_e_access_traits<__gnu_pbds::test::basic_type, (char)97,
---Type <return> to continue, or q <return> to quit---q
Quit
(gdb) p &__p
$13 = (
    const std::pair<const __gnu_pbds::test::basic_type,
__gnu_pbds::test::basic_type> *) 0x7fffffffc750
(gdb) p this
$14 = (
    class std::pair<__gnu_pbds::test::basic_type, __gnu_pbds::test::basic_type>
     * const) 0x7fffffffc6c0
(gdb) 

Those 2 types are slightly different.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37144