Go patch committed: Update to Go1.10beta1

[Ian Lance Taylor]

On Wed, Jan 10, 2018 at 5:35 AM, Ian Lance Taylor <iant@golang.org> wrote:
> On Tue, Jan 9, 2018 at 11:34 PM, Uros Bizjak <ubizjak@gmail.com> wrote:
>>> This patch updates libgo to the Go1.10beta1 release.  The final Go
>>> 1.10 release is expected around February 1, so it's not clear how the
>>> release timing is going to work with GCC 8.  In any case this updates
>>> GCC to something pretty close to the final Go 1.10 release.
>>
>> This patch introduces a bunch of new fails in gotools testsuite form
>> non-split stack targets, e.g.:
>>
>> AIL: TestCgoSignalDeadlock
>>         crash_test.go:55: building testprogcgo []: exit status 2
>>                 #
>> _/space/uros/gcc-svn/trunk/libgo/go/runtime/testdata/testprogcgo
>>                 cc1: error: '-fsplit-stack' is not supported by this
>> compiler configuration
>>
>> and also:
>>
>> # _/space/homedirs/uros/gcc-build/gotools/cgo-test-dir/misc/cgo/test/gcc68255
>> cc1: error: '-fsplit-stack' is not supported by this compiler configuration
>> # _/space/homedirs/uros/gcc-build/gotools/cgo-test-dir/misc/cgo/test/issue8756
>> cc1: error: '-fsplit-stack' is not supported by this compiler configuration
>> # _/space/homedirs/uros/gcc-build/gotools/cgo-test-dir/misc/cgo/test/issue8828
>> cc1: error: '-fsplit-stack' is not supported by this compiler configuration
>> # _/space/homedirs/uros/gcc-build/gotools/cgo-test-dir/misc/cgo/test/issue9026
>> cc1: error: '-fsplit-stack' is not supported by this compiler configuration
>> # _/space/homedirs/uros/gcc-build/gotools/cgo-test-dir/misc/cgo/test/issue9510b
>> cc1: error: '-fsplit-stack' is not supported by this compiler configuration
>> # _/space/homedirs/uros/gcc-build/gotools/cgo-test-dir/misc/cgo/test/issue9510a
>> cc1: error: '-fsplit-stack' is not supported by this compiler configuration
>> FAIL    _/space/homedirs/uros/gcc-build/gotools/cgo-test-dir/misc/cgo/test
>> [build failed]
>
> The go tool is trying to decide whether the C compiler supports the
> -fsplit-stack option by running
>     gcc -fsplit-stack -c -x c - < /dev/null
> On your system, what does that print, and what is the exit status?

(Where I say gcc above I really mean $CC if CC is set, which when
running the tests will be the generated script gotools/check-gcc.)

Ian