This PR does not actually repair any breakage.
As discussed in https://github.com/Perl/perl5/issues/22577, this PR simply removes an obsolete Win32-specific memory alignment instruction from perl.h.
I've now built and tested this PR using x64 gcc versions 10.3.0/11.3.0/12.2.0/13.2.0/14.2.0 x nvtypes double/long double/__float128.
All 15 builds proceeded normally, with all tests passing.
This set of changes does not require a perldelta entry.
This PR does not actually repair any breakage. As discussed in https://github.com/Perl/perl5/issues/22577, this PR simply removes an obsolete Win32-specific memory alignment instruction from perl.h. I've now built and tested this PR using x64 gcc versions 10.3.0/11.3.0/12.2.0/13.2.0/14.2.0 x nvtypes double/long double/__float128. All 15 builds proceeded normally, with all tests passing.