[Bug d/100769] [D] memcmp() == 0 for small constant strings not folded

[witold.baryluk+gcc at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100769

--- Comment #1 from Witold Baryluk <witold.baryluk+gcc at gmail dot com> ---
A typo in the example (godbolt is good), I forgot the `.ptr`:

extern(C) int memcmp(const void *s1, const void *s2, size_t n);

int recognize3(const char* s) {
    return memcmp(s, "stract class".ptr, 12) == 0;
}

casting to ubyte*, or void*, doesn't change anything really.

options: -O3 -frelease -fno-semantic-interposition 

tested on amd64, Debian / Linux.