[Bug fortran/123943] [16 Regression] ice in gfc_resolve_forall, at fortran/resolve.cc:12646

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123943

--- Comment #8 from David Binderman <dcb314 at hotmail dot com> ---
(In reply to Christopher Albert from comment #7)
> Created attachment 63651 [details]
> Fix iterator-depth pre-counting

This patch seems to work for the example in this bug report.

It fixes a couple of crashes in the flang test suite.

No change in the gcc testsuite, so it looks like there is 
some missing coverage there.

In the fujitsu test suite, crashes down from 44 to 26,
so good result there.