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MSAN issue with DECLARE_EXTENDED_PHASE macro


tmp_sc

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Hi, 

I have run msan checks (compiled with -g -fsanitize=memory , I am using Clang14 with -Os) and I have got the following Warning:
 

==26683==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0x1d32b2b in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&) /usr/bin/../lib64/gcc/x86_64-suse-linux/12/../../../../include/c++/12/bits/basic_string.h:673:6
    #1 0x1d32b2b in void std::__new_allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >::construct<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&) /usr/bin/../lib64/gcc/x86_64-suse-linux/12/../../../../include/c++/12/bits/new_allocator.h:175:23
    #2 0x1d32b2b in void std::allocator_traits<std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >::construct<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >(std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&) /usr/bin/../lib64/gcc/x86_64-suse-linux/12/../../../../include/c++/12/bits/alloc_traits.h:516:8
    #3 0x1d32b2b in void std::__relocate_object_a<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >&) /usr/bin/../lib64/gcc/x86_64-suse-linux/12/../../../../include/c++/12/bits/stl_uninitialized.h:1064:7
    #4 0x1d32b2b in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >* std::__relocate_a_1<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >&) /usr/bin/../lib64/gcc/x86_64-suse-linux/12/../../../../include/c++/12/bits/stl_uninitialized.h:1092:2
    #5 0x1d32b2b in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >* std::__relocate_a<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >&) /usr/bin/../lib64/gcc/x86_64-suse-linux/12/../../../../include/c++/12/bits/stl_uninitialized.h:1133:14
    #6 0x1d32b2b in std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >::_S_do_relocate(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >&, std::integral_constant<bool, true>) /usr/bin/../lib64/gcc/x86_64-suse-linux/12/../../../../include/c++/12/bits/stl_vector.h:490:9
    #7 0x1d326b3 in std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >::_S_relocate(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >&) /usr/bin/../lib64/gcc/x86_64-suse-linux/12/../../../../include/c++/12/bits/stl_vector.h:507:9
    #8 0x1d326b3 in void std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >::_M_realloc_insert<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >(__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&) /usr/bin/../lib64/gcc/x86_64-suse-linux/12/../../../../include/c++/12/bits/vector.tcc:474:23
    #9 0x36cf5c2 in tlm::tlm_phase::tlm_phase(std::type_info const&, char const*) 
    #10 0x1c9699e in axi::tlm_phase_BEGIN_PARTIAL_REQ::tlm_phase_BEGIN_PARTIAL_REQ()


First line, where it starts to complain is

DECLARE_EXTENDED_PHASE(BEGIN_PARTIAL_REQ);
DECLARE_EXTENDED_PHASE(END_PARTIAL_REQ);
DECLARE_EXTENDED_PHASE(BEGIN_PARTIAL_RESP);
DECLARE_EXTENDED_PHASE(END_PARTIAL_RESP);
DECLARE_EXTENDED_PHASE(ACK);


Is this a know issue with SystemC macro DECLARE_EXTENDED_PHASE, or something else?
Any suggestion how I can disable the warning in this particular case?


Thanks


 

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