http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59612
--- Comment #7 from janus at gcc dot gnu.org ---
(In reply to janus from comment #2)
> Does -fdump-fortran-optimized actually do anything?
The reason why I did not get any output from it is of course that it is only in
effect if -ffrontend-optimize is given in addition. Maybe it would be worth to
mention this in the documentation, e.g. like this:
Index: invoke.texi
===================================================================
--- invoke.texi (revision 206237)
+++ invoke.texi (working copy)
@@ -991,8 +991,9 @@
@item -fdump-fortran-optimized
@opindex @code{fdump-fortran-optimized}
-Output the parse tree after front-end optimization. Only really
-useful for debugging the GNU Fortran compiler itself.
+Output the parse tree after front-end optimization (if enabled via
+@option{-ffrontend-optimize}). Only really useful for debugging the GNU
+Fortran compiler itself.
@item -fdump-parse-tree
@opindex @code{fdump-parse-tree}
