I have committed a patch to update libgo to the Go 1.12beta2 release.

As usual this sort of update is too large to include all changes in
this e-mail.  I've included changes to gccgo-specific files below.

Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu.  Committed
to mainline.

Ian

gotools/

2019-01-18  Ian Lance Taylor  <iant@golang.org>

* Makefile.am (go_cmd_vet_files): Update for Go1.12beta2 release.
(GOTOOLS_TEST_TIMEOUT): Increase to 600.
(check-runtime): Export LD_LIBRARY_PATH before computing GOARCH
and GOOS.
(check-vet): Copy golang.org/x/tools into check-vet-dir.
* Makefile.in: Regenerate.

gcc/testsuite/

2019-01-18  Ian Lance Taylor  <iant@golang.org>

* go.go-torture/execute/names-1.go: Stop using debug/xcoff, which
is no longer externally visible.