https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212
--- Comment #208 from John Paul Adrian Glaubitz <glaubitz at physik dot
fu-berlin.de> ---
Building with Go enabled, fails with:
during RTL pass: subreg3
../../../libgo/go/unicode/utf16/utf16.go: In function 'unicode/utf16.Encode':
../../../libgo/go/unicode/utf16/utf16.go:56:1: internal compiler error: in
decompose_multiword_subregs, at lower-subreg.cc:1728
56 | func Encode(s []rune) []uint16 {
| ^
libtool: compile: /srv/glaubitz/gcc/build/./gcc/gccgo
-B/srv/glaubitz/gcc/build/./gcc/ -B/usr/local/sh4-unknown-linux-gnu/bin/
-B/usr/local/sh4-unknown-linux-gnu/lib/ -isystem
/usr/local/sh4-unknown-linux-gnu/include -isystem
/usr/local/sh4-unknown-linux-gnu/sys-include -O2 -g -I . -c
-fgo-pkgpath=internal/itoa ../../../libgo/go/internal/itoa/itoa.go -o
internal/itoa.o >/dev/null 2>&1
libtool: compile: /srv/glaubitz/gcc/build/./gcc/gccgo
-B/srv/glaubitz/gcc/build/./gcc/ -B/usr/local/sh4-unknown-linux-gnu/bin/
-B/usr/local/sh4-unknown-linux-gnu/lib/ -isystem
/usr/local/sh4-unknown-linux-gnu/include -isystem
/usr/local/sh4-unknown-linux-gnu/sys-include -O2 -g -I . -c
-fgo-pkgpath=sync/atomic ../../../libgo/go/sync/atomic/doc.go
../../../libgo/go/sync/atomic/unaligned.go
../../../libgo/go/sync/atomic/value.go -o sync/atomic.o >/dev/null 2>&1
libtool: compile: /srv/glaubitz/gcc/build/./gcc/gccgo
-B/srv/glaubitz/gcc/build/./gcc/ -B/usr/local/sh4-unknown-linux-gnu/bin/
-B/usr/local/sh4-unknown-linux-gnu/lib/ -isystem
/usr/local/sh4-unknown-linux-gnu/include -isystem
/usr/local/sh4-unknown-linux-gnu/sys-include -O2 -g -I . -c
-fgo-pkgpath=container/ring ../../../libgo/go/container/ring/ring.go -o
container/ring.o >/dev/null 2>&1
0x1872ddb internal_error(char const*, ...)
../../gcc/diagnostic-global-context.cc:491
0x67aca7 fancy_abort(char const*, int, char const*)
../../gcc/diagnostic.cc:1772
0x173af73 decompose_multiword_subregs
../../gcc/lower-subreg.cc:1728
0x173b8bf execute
../../gcc/lower-subreg.cc:1849
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Not sure whether this is an old bug though.
