[Bug libstdc++/87502] Poor code generation for std::string("c-style string")

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87502

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
  __builtin_memcpy (&D.35539.D.25336._M_local_buf, "abc", 3);
  MEM[(char_type &)&D.35539 + 11] = 0;
change to
  __builtin_memcpy (&D.35539.D.25336._M_local_buf, "abc", 4);
seems like something that the strlen pass could do.