[Bug binutils/23146] Many targets won't build with GCC 8

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=23146

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Alan Modra from comment #1)
> This particular error is https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85623.
> We can work around it by replacing the strncmp call with memcmp, but a
> number of annoying gcc8 warnings remain (if you don't have system headers
> that hide the warning):
> 
> bfd/coffcode.h:3461:7: warning: ‘strncpy’ specified bound 8 equals
> destination size [-Wstringop-truncation]
> bfd/elf32-arm.c:2177:2: warning: ‘strncpy’ specified bound 80 equals
> destination size [-Wstringop-truncation]
> bfd/elf32-ppc.c:2414:2: warning: ‘strncpy’ specified bound 80 equals
> destination size [-Wstringop-truncation]
> bfd/elf32-s390.c:3954:2: warning: ‘strncpy’ specified bound 80 equals
> destination size [-Wstringop-truncation]
> bfd/elf64-ppc.c:3044:2: warning: ‘strncpy’ specified bound 80 equals
> destination size [-Wstringop-truncation]
> bfd/elf64-s390.c:3763:2: warning: ‘strncpy’ specified bound 80 equals
> destination size [-Wstringop-truncation]
> bfd/elfxx-aarch64.c:662:2: warning: ‘strncpy’ specified bound 80 equals
> destination size [-Wstringop-truncation]
> libiberty/dyn-string.c:280:3: warning: ‘strncpy’ output truncated before
> terminating nul copying as many bytes from a string as its length
> [-Wstringop-truncation]

Are these known GCC 8 bugs?

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