On Wed, 8 Dec 2021 at 19:17, Rainer Orth wrote: > > Hi Jonathan, > > > I've pushed this change to trunk now (it was posted and reviewed in > > stage 1, I just didn't get around to pushing it until now). > > > > The final version of the patch is attached to this mail. > > unfortunately, it breaks Solaris/SPARC bootstrap: > > In file included from > /var/gcc/regression/master/11.4-gcc-gas/build/sparc-sun-solaris2.11/sparcv9/libstdc++-v3/include/bits/shared_ptr.h:53, > from > /var/gcc/regression/master/11.4-gcc-gas/build/sparc-sun-solaris2.11/sparcv9/libstdc++-v3/include/memory:77, > from > /vol/gcc/src/hg/master/local/libstdc++-v3/include/precompiled/stdc++.h:82: > /var/gcc/regression/master/11.4-gcc-gas/build/sparc-sun-solaris2.11/sparcv9/libstdc++-v3/include/bits/shared_ptr_base.h: > In member function 'void std::_Sp_counted_base<_Lp>::_M_release() [with > __gnu_cxx::_Lock_policy _Lp = __gnu_cxx::_S_atomic]': > /var/gcc/regression/master/11.4-gcc-gas/build/sparc-sun-solaris2.11/sparcv9/libstdc++-v3/include/bits/shared_ptr_base.h:329:26: > error: right operand of shift expression '(1 << 64)' is greater than or > equal to the precision 64 of the left operand [-fpermissive] > 329 | = 1LL + (1LL << (__CHAR_BIT__ * sizeof(_Atomic_word))); > | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > make[9]: *** [Makefile:1875: > sparc-sun-solaris2.11/bits/stdc++.h.gch/O2ggnu++0x.gch] Error 1 > > For 64-bit SPARC, _Atomic_word is long.
Ah yes, so we need to disable this optimization. Patch coming up ...
