Patch: PR java/10459

[Andrew Haley]

Tom Tromey writes:
 > This fixes PR java/10459.
 > 
 > What happens here is that we can create an EXPR_WFL_NODE wrapping
 > NULL_TREE.  We avoid the crash by just checking for this situation.
 > 
 > The second test case will cause an ICE if the java_complete_lhs hunk
 > is removed -- a related bug.
 > 
 > Ok for the trunk?

Yes.

Andrew.