https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79069
Bug ID: 79069 Summary: [7 Regression] Bootstrap failure on s390x-linux while building libgo Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap Assignee: unassigned at gcc dot gnu.org Reporter: jakub at gcc dot gnu.org Target Milestone: --- The s390x-linux bootstrap fails for me (profiledbootstrap as well as bootstrap) while building 31-bit libgo: /builddir/build/BUILD/gcc-7.0.0-20170111/obj-s390x-redhat-linux/./gcc/gccgo -B/builddir/build/BUILD/gcc-7.0.0-20170111/obj-s390x-redhat-linux/./gcc/ -B/usr/s390x-redhat-linux/bin/ -B/usr/s390x-redhat-linux/lib/ -isystem /usr/s390x-redhat-linux/include -isystem /usr/s390x-redhat-linux/sys-include -O2 -g -m31 -I . -c -fgo-pkgpath=runtime -fgo-c-header=runtime.inc.tmp -fgo-compiling-runtime ../../../../libgo/go/runtime/alg.go ../../../../libgo/go/runtime/cgo_gccgo.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/ffi.go ../../../../libgo/go/runtime/hash32.go ../../../../libgo/go/runtime/hashmap.go ../../../../libgo/go/runtime/hashmap_fast.go ../../../../libgo/go/runtime/iface.go ../../../../libgo/go/runtime/lfstack.go ../../../../libgo/go/runtime/lfstack_32bit.go ../../../../libgo/go/runtime/lock_futex.go ../../../../libgo/go/runtime/mcache.go ../../../../libgo/go/runtime/mprof.go ../../../../libgo/go/runtime/msan0.go ../../../../libgo/go/runtime/mstats.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/panic.go ../../../../libgo/go/runtime/print.go ../../../../libgo/go/runtime/proc.go ../../../../libgo/go/runtime/race0.go ../../../../libgo/go/runtime/rdebug.go ../../../../libgo/go/runtime/rune.go ../../../../libgo/go/runtime/runtime.go ../../../../libgo/go/runtime/runtime1.go ../../../../libgo/go/runtime/runtime2.go ../../../../libgo/go/runtime/select.go ../../../../libgo/go/runtime/sema.go ../../../../libgo/go/runtime/signal1_unix.go ../../../../libgo/go/runtime/signal2_unix.go ../../../../libgo/go/runtime/signal_gccgo.go ../../../../libgo/go/runtime/signal_sighandler.go ../../../../libgo/go/runtime/signal_sigtramp.go ../../../../libgo/go/runtime/signal_unix.go ../../../../libgo/go/runtime/sigpanic_unix.go ../../../../libgo/go/runtime/sigqueue.go ../../../../libgo/go/runtime/slice.go ../../../../libgo/go/runtime/string.go ../../../../libgo/go/runtime/stubs.go ../../../../libgo/go/runtime/stubs2.go ../../../../libgo/go/runtime/symtab.go ../../../../libgo/go/runtime/time.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/write_err.go runtime_sysinfo.go sigtab.go -fPIC -o .libs/runtime.o fails with: ../../../../libgo/go/runtime/trace.go: In function 'runtime.dump.pN23_runtime.traceStackTable': ../../../../libgo/go/runtime/trace.go:731:1: internal compiler error: in fixup_reorder_chain, at cfgrtl.c:3840 func (tab *traceStackTable) dump() { ^ 0x802f64e9 fixup_reorder_chain ../../gcc/cfgrtl.c:3840 0x802f64e9 cfg_layout_finalize() ../../gcc/cfgrtl.c:4306 0x80aebf23 execute ../../gcc/bb-reorder.c:2576