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

[Bug go/61840] [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

--- Comment #1 from Stefan <kdevel at vogtner dot de> ---
After configuring with --with-arch-32=i686 I get

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/gotest19278/test/_testmain.go:67
FAIL: sync/atomic

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

[ian at airs dot com]

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

--- Comment #2 from Ian Lance Taylor <ian at airs dot com> ---
Please tell us what kind of system you are running on and precisely how you ran
configure.

The error report doesn't make sense; it seems incomplete.  I don't see how the
test could fail without printing out more than that.  What happens if you cd
into the directory x86_64-unknown-linux-gnu/32/libgo and run "make
sync/atomic/check"?

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

[ian at airs dot com]

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

--- Comment #3 from Ian Lance Taylor <ian at airs dot com> ---
On the other bug Uros Bizjak suggests that perhaps the fix is

https://gcc.gnu.org/ml/gcc-patches/2013-11/msg00309.html

but that that patch does not work for you because your system does not support
CFI directives in the assembler.