compiler: Don't crash when dumping ast of empty block.
commitf39b15c6763ca9e7165f53ad9e1ffd45c1e10c3f
authorian <ian@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 15 Jun 2015 17:43:02 +0000 (15 17:43 +0000)
committerian <ian@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 15 Jun 2015 17:43:02 +0000 (15 17:43 +0000)
treea843342acb48583f8bf04074f87a7f9eb7d85d8f
parent545ffec9b641439af8d9a811f00ba68f7eb14b8c
compiler: Don't crash when dumping ast of empty block.

Fixes golang/go#10420.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224487 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/go/gofrontend/ast-dump.cc