[gcjx] Add -fdump-tree for dumping AST

[Tom Tromey]

>>>>> "Ranjit" == Ranjit Mathew <rmathew@gmail.com> writes:

Ranjit>   The attached patch is my attempt to add an "-fdump-tree" option
Ranjit> to the standalone compiler that uses the pretty-printer to
Ranjit> dump the AST of a file after compilation. The actual dumping
Ranjit> happens after semantic analysis in compiler::do_analyze_unit().

Ranjit> Does this look acceptable?

Yes, thanks.

Tom