On Wed, Nov 25, 2020 at 10:36 AM Maciej W. Rozycki <ma...@linux-mips.org> wrote: > > On Fri, 20 Nov 2020, Maciej W. Rozycki wrote: > > > These changes have been regression-tested throughout development with the > > `vax-netbsdelf' target running NetBSD 9.0, using said VAXstation 4000/60, > > which uses the Mariah implemementation of the VAX architecture. The host > > used was `powerpc64le-linux-gnu' and occasionally `x86_64-linux-gnu' as > > well; changes outside the VAX backend were all natively bootstrapped and > > regression-tested with both these hosts. > > I forgot to note that I have been going through this final verification > with the native compiler and the `vax-netbsdelf' cross-compiler built with > it both configured with `--disable-werror'. This is due to a recent > regression with the Go frontend causing a build error otherwise: > > .../gcc/go/gofrontend/go-diagnostics.cc: In function 'std::string > expand_message(const char*, va_list)': > .../gcc/go/gofrontend/go-diagnostics.cc:110:61: error: '<anonymous>' may be > used uninitialized [-Werror=maybe-uninitialized] > 110 | "memory allocation failed in vasprintf"); > | ^ > In file included from > .../prev-powerpc64le-linux-gnu/libstdc++-v3/include/string:55, > from .../gcc/go/go-system.h:34, > from .../gcc/go/gofrontend/go-linemap.h:10, > from .../gcc/go/gofrontend/go-diagnostics.h:10, > from .../gcc/go/gofrontend/go-diagnostics.cc:7: > .../prev-powerpc64le-linux-gnu/libstdc++-v3/include/bits/basic_string.h:525:7: > note: by argument 3 of type 'const std::allocator<char>&' to > 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const > _CharT*, const _Alloc&) [with <template-parameter-2-1> = > std::allocator<char>; _CharT = char; _Traits = std::char_traits<char>; _Alloc > = std::allocator<char>]' declared here > 525 | basic_string(const _CharT* __s, const _Alloc& __a = _Alloc()) > | ^~~~~~~~~~~~ > .../gcc/go/gofrontend/go-diagnostics.cc:110:61: note: '<anonymous>' declared > here > 110 | "memory allocation failed in vasprintf"); > | ^ > cc1plus: all warnings being treated as errors > make[3]: *** [.../gcc/go/Make-lang.in:242: go/go-diagnostics.o] Error 1 > > the cause for which I decided I could not afford the time to track down. > Perhaps it has been fixed since, but mentioning it in case it has not. > > Earlier verification iterations were done with `--enable-werror-always'.
I just want to note that as far as I can tell this is not a bug in the Go frontend code. Ian
