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
