[Bug go/61840] New: [4.9 regression] sync/atomic FAILs on x86_64-unknown-linux-gnu

[kdevel at vogtner dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61840

            Bug ID: 61840
           Summary: [4.9 regression] sync/atomic FAILs on
                    x86_64-unknown-linux-gnu
           Product: gcc
           Version: 4.9.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: go
          Assignee: ian at airs dot com
          Reporter: kdevel at vogtner dot de
                CC: cmang at google dot com

first posted in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59432

PASS: runtime/pprof
Aborted

testing.tRunner
        [redacted]/gcc-4.9.1/bld/gcc-4.9.1/libgo/go/testing/testing.go:392

goroutine 1 [chan receive]:
testing.RunTests
        [redacted]/gcc-4.9.1/bld/gcc-4.9.1/libgo/go/testing/testing.go:472
testing.Main
        [redacted]/gcc-4.9.1/bld/gcc-4.9.1/libgo/go/testing/testing.go:403
main.main
       
[redacted]/gcc-4.9.1/bld/gcc-objdir/x86_64-unknown-linux-gnu/32/libgo/gotest24424/test/_testmain.go:67
FAIL: sync/atomic
make[5]: *** [sync/atomic/check] Fehler 1

Same error in April with 4.9.0:

PASS: runtime/pprof
Aborted

testing.tRunner
        [redacted]/gcc-4.9.0/bld/gcc-4.9.0/libgo/go/testing/testing.go:392

goroutine 1 [chan receive]:
testing.RunTests
        [redacted]/gcc-4.9.0/bld/gcc-4.9.0/libgo/go/testing/testing.go:472
testing.Main
        [redacted]/gcc-4.9.0/bld/gcc-4.9.0/libgo/go/testing/testing.go:403
main.main
       
[redacted]/gcc-4.9.0/bld/gcc-objdir/x86_64-unknown-linux-gnu/32/libgo/gotest
24306/test/_testmain.go:67
FAIL: sync/atomic
make[5]: *** [sync/atomic/check] Fehler 1