https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112646
Bug ID: 112646 Summary: bootstrap broken for clang build on znver3 ? Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- Since yesterday, a build of gcc trunk on znver3 with clang has broken. Good commit was g:e85c596ae2d1e5f5, bad g:f48244fad2afba7a. The error message from clang is /home/dcb38/gcc/working/gcc/include/avx512vp2intersectvlintrin.h:42:3: error: ‘__builtin_ia32_2intersectd128’ was not declared in this scope; did you mean ‘__builtin_ia32_2intersectd512’? The configure is CC="clang" CXX="clang++" \ ../trunk.year/configure --prefix=/home/dcb38/gcc/results.$DATE.asan.ubsan \ --disable-multilib \ --disable-bootstrap \ --with-build-config=bootstrap-asan \ --with-build-config=bootstrap-ubsan \ --with-pkgversion=$HASH \ --enable-checking=df,extra,fold,rtl,yes \ --enable-languages=c,c++,fortran sed 's;-O2;-O2 -march=znver3;' < Makefile > Makefile.tmp diff Makefile Makefile.tmp mv Makefile.tmp Makefile