simdutf 4 fails on node.js

[anonrig]

Full CI: https://ci.nodejs.org/job/node-test-commit-linux-containered/nodes=ubuntu1804_sharedlibs_icu_x64/40007/consoleText

../deps/simdutf/simdutf.cpp:30250:5: error: '_mm_storeu_si64' was not declared in this scope
     _mm_storeu_si64(latin1_output, shuffled1);
     ^~~~~~~~~~~~~~~
../deps/simdutf/simdutf.cpp:30250:5: note: suggested alternative: '_mm_store_epi64'
     _mm_storeu_si64(latin1_output, shuffled1);
     ^~~~~~~~~~~~~~~
     _mm_store_epi64
../deps/simdutf/simdutf.cpp: In function 'std::pair<simdutf::result, char*> simdutf::westmere::{anonymous}::sse_convert_utf32_to_latin1_with_errors(const char32_t*, size_t, char*)':
../deps/simdutf/simdutf.cpp:30303:5: error: '_mm_storeu_si64' was not declared in this scope
     _mm_storeu_si64(latin1_output, shuffled1);
     ^~~~~~~~~~~~~~~
../deps/simdutf/simdutf.cpp:30303:5: note: suggested alternative: '_mm_store_epi64'
     _mm_storeu_si64(latin1_output, shuffled1);
     ^~~~~~~~~~~~~~~
     _mm_store_epi64

cc @lemire

[lemire]

Thanks. We shall fix this build error with a patch release. It is easy.

[lemire]

It seems that Node is using GCC 8.