libgo: update to Go1.13

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/194698 From-SVN: r275691
2019-09-12 23:22:53 +00:00 · 2019-09-12 23:22:53 +00:00 · 656297e1fe
commit 656297e1fe
parent d6ecb707cc
206 changed files with 3552 additions and 1702 deletions
--- a/libgo/misc/cgo/errors/errors_test.go
+++ b/libgo/misc/cgo/errors/errors_test.go
@ -112,6 +112,7 @@ func TestReportsTypeErrors(t *testing.T) {
 		"issue18452.go",
 		"issue18889.go",
 		"issue28721.go",
+		"issue33061.go",
 	} {
 		check(t, file)
 	}