I'm getting this crash on riscv:
/daten/riscv64/gcc/gcc-20190518/Build/./gcc/gccgo
-B/daten/riscv64/gcc/gcc-20190518/Build/./gcc/ -B/usr/riscv64-suse-linux/bin/
-B/usr/riscv64-suse-linux/lib/ -isystem /usr/riscv64-suse-linux/include
-isystem /usr/riscv64-suse-linux/sys-include -O2 -g -I . -c
-fgo-pkgpath=runtime -fgo-c-header=runtime.inc.raw -fgo-compiling-runtime
../../../libgo/go/runtime/alg.go ../../../libgo/go/runtime/atomic_pointer.go
../../../libgo/go/runtime/cgo_gccgo.go ../../../libgo/go/runtime/cgocall.go
../../../libgo/go/runtime/cgocheck.go ../../../libgo/go/runtime/chan.go
../../../libgo/go/runtime/compiler.go ../../../libgo/go/runtime/cpuprof.go
../../../libgo/go/runtime/cputicks.go ../../../libgo/go/runtime/debug.go
../../../libgo/go/runtime/env_posix.go ../../../libgo/go/runtime/error.go
../../../libgo/go/runtime/extern.go ../../../libgo/go/runtime/fastlog2.go
../../../libgo/go/runtime/fastlog2table.go ../../../libgo/go/runtime/ffi.go
../../../libgo/go/runtime/float.go ../../../libgo/go/runtime/hash64.go
../../../libgo/go/runtime/heapdump.go ../../../libgo/go/runtime/iface.go
../../../libgo/go/runtime/lfstack.go ../../../libgo/go/runtime/lfstack_64bit.go
../../../libgo/go/runtime/lock_futex.go ../../../libgo/go/runtime/malloc.go
../../../libgo/go/runtime/map.go ../../../libgo/go/runtime/map_fast32.go
../../../libgo/go/runtime/map_fast64.go
../../../libgo/go/runtime/map_faststr.go ../../../libgo/go/runtime/mbarrier.go
../../../libgo/go/runtime/mbitmap.go ../../../libgo/go/runtime/mcache.go
../../../libgo/go/runtime/mcentral.go ../../../libgo/go/runtime/mem_gccgo.go
../../../libgo/go/runtime/mfinal.go ../../../libgo/go/runtime/mfixalloc.go
../../../libgo/go/runtime/mgc.go ../../../libgo/go/runtime/mgc_gccgo.go
../../../libgo/go/runtime/mgclarge.go ../../../libgo/go/runtime/mgcmark.go
../../../libgo/go/runtime/mgcsweep.go ../../../libgo/go/runtime/mgcsweepbuf.go
../../../libgo/go/runtime/mgcwork.go ../../../libgo/go/runtime/mheap.go
../../../libgo/go/runtime/mprof.go ../../../libgo/go/runtime/msan0.go
../../../libgo/go/runtime/msize.go ../../../libgo/go/runtime/mstats.go
../../../libgo/go/runtime/mwbbuf.go ../../../libgo/go/runtime/netpoll.go
../../../libgo/go/runtime/netpoll_epoll.go
../../../libgo/go/runtime/os_gccgo.go ../../../libgo/go/runtime/os_linux.go
../../../libgo/go/runtime/os_linux_noauxv.go ../../../libgo/go/runtime/panic.go
../../../libgo/go/runtime/print.go ../../../libgo/go/runtime/proc.go
../../../libgo/go/runtime/profbuf.go ../../../libgo/go/runtime/proflabel.go
../../../libgo/go/runtime/race0.go ../../../libgo/go/runtime/rdebug.go
../../../libgo/go/runtime/relax_stub.go ../../../libgo/go/runtime/runtime.go
../../../libgo/go/runtime/runtime1.go ../../../libgo/go/runtime/runtime2.go
../../../libgo/go/runtime/rwmutex.go ../../../libgo/go/runtime/select.go
../../../libgo/go/runtime/sema.go ../../../libgo/go/runtime/signal_gccgo.go
../../../libgo/go/runtime/signal_sighandler.go
../../../libgo/go/runtime/signal_unix.go ../../../libgo/go/runtime/sigqueue.go
../../../libgo/go/runtime/sizeclasses.go ../../../libgo/go/runtime/slice.go
../../../libgo/go/runtime/string.go ../../../libgo/go/runtime/stubs.go
../../../libgo/go/runtime/stubs2.go ../../../libgo/go/runtime/stubs3.go
../../../libgo/go/runtime/stubs_linux.go ../../../libgo/go/runtime/symtab.go
../../../libgo/go/runtime/time.go ../../../libgo/go/runtime/timestub.go
../../../libgo/go/runtime/timestub2.go ../../../libgo/go/runtime/trace.go
../../../libgo/go/runtime/traceback_gccgo.go ../../../libgo/go/runtime/type.go
../../../libgo/go/runtime/typekind.go ../../../libgo/go/runtime/unaligned1.go
../../../libgo/go/runtime/utf8.go ../../../libgo/go/runtime/write_err.go
runtime_sysinfo.go sigtab.go -fPIC -o .libs/runtime.o
during RTL pass: expand
../../../libgo/go/runtime/mbitmap.go: In function
‘runtime.setMarked.runtime.markBits’:
../../../libgo/go/runtime/mbitmap.go:291:9: internal compiler error:
Segmentation fault
291 | atomic.Or8(m.bytep, m.mask)
| ^
0x6a02b7 crash_signal
../../gcc/toplev.c:326
0x917cf6 get_callee_fndecl(tree_node const*)
../../gcc/tree.c:9570
0x2c2e6b expand_call(tree_node*, rtx_def*, int)
../../gcc/calls.c:3364
0x2aa3e9 expand_builtin_atomic_fetch_op
../../gcc/builtins.c:6541
0x2b5981 expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int)
../../gcc/builtins.c:8220
0x3bdfef expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
../../gcc/expr.c:11030
0x2d4ee5 expand_expr
../../gcc/expr.h:279
0x2d4ee5 expand_call_stmt
../../gcc/cfgexpand.c:2724
0x2d4ee5 expand_gimple_stmt_1
../../gcc/cfgexpand.c:3700
0x2d5847 expand_gimple_stmt
../../gcc/cfgexpand.c:3859
0x2da083 expand_gimple_basic_block
../../gcc/cfgexpand.c:5895
0x2dbff3 execute
../../gcc/cfgexpand.c:6518
Andreas.
--
Andreas Schwab, sch...@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1
"And now for something completely different."
