https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109244
Bug ID: 109244 Summary: internal compiler error: in setup_preferred_alternate_classes_for_new_pseudos, at ira.cc:2892 Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: malat at debian dot org Target Milestone: --- Created attachment 54726 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54726&action=edit Preprocessed source I cannot compile highway project on riscv64/Debian. It fails with: hwy/contrib/sort/vqsort-inl.h:1386:1: internal compiler error: in setup_preferred_alternate_classes_for_new_pseudos, at ira.cc:2892 Compilation line: /usr/lib/gcc-snapshot/bin/g++ -freport-bug -DHWY_SHARED_DEFINE -Dhwy_contrib_EXPORTS -I/home/mathieu/debian/highway -g -O2 -ffile-prefix-map=/home/mathieu/debian/highway=. -fstack-protector-strong -Wformat -Werror=format-security -DHWY_BROKEN_EMU128=0 -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -fvisibility=hidden -fvisibility-inlines-hidden -Wno-builtin-macro-redefined -D__DATE__=\"redacted\" -D__TIMESTAMP__=\"redacted\" -D__TIME__=\"redacted\" -fmerge-all-constants -Wall -Wextra -Wconversion -Wsign-conversion -Wvla -Wnon-virtual-dtor -fmath-errno -fno-exceptions -march=rv64gcv1p0 -Werror -MD -MT CMakeFiles/hwy_contrib.dir/hwy/contrib/sort/vqsort_f32d.cc.o -MF CMakeFiles/hwy_contrib.dir/hwy/contrib/sort/vqsort_f32d.cc.o.d -o CMakeFiles/hwy_contrib.dir/hwy/contrib/sort/vqsort_f32d.cc.o -c /home/mathieu/debian/highway/hwy/contrib/sort/vqsort_f32d.cc