Bug 927830 – sys-devel/gcc-13.2.1_p20240210[go]: internal compiler error (libgo/go/runtime/mheap.go:808:29: internal compiler error: in dwarf2out_frame_debug_expr, at dwarf2cfi.cc:1844)

• Status: UNCONFIRMED
• Product: Gentoo Linux

[Description Alan Mock 2024-03-25 18:50:11 UTC]

Created attachment 888573 [details]
Build log

I am trying to update from default/linux/ppc64/17.0 to default/linux/ppc64/23.0/split-usr and the results of running emerge --ask --oneshot sys-devel/gcc is that the build fails with:

during RTL pass: dwarf2
/var/tmp/portage/sys-devel/gcc-13.2.1_p20240210/work/gcc-13-20240210/libgo/go/runtime/mheap.go: In function ‘runtime.mheap.reclaimChunk..stub2’:
/var/tmp/portage/sys-devel/gcc-13.2.1_p20240210/work/gcc-13-20240210/libgo/go/runtime/mheap.go:808:29: internal compiler error: in dwarf2out_frame_debug_expr, at dwarf2cfi.cc:1844
  808 | func (h *mheap) reclaimChunk(arenas []arenaIdx, pageIdx, n uintptr) uintptr {
      |                             ^

[Comment 1 Alan Mock 2024-03-25 18:50:41 UTC]

Created attachment 888574 [details]
emerge --info '=sys-devel/gcc-13.2.1_p20240210::gentoo'

[Comment 2 Alan Mock 2024-03-25 18:51:00 UTC]

Created attachment 888575 [details]
emerge -pqv '=sys-devel/gcc-13.2.1_p20240210::gentoo'

[Comment 3 Alan Mock 2024-03-25 20:03:04 UTC]

The build is successful if I add -go to the use flags.