[Patch, fortran] PR fortran/38184 invariant RESHAPE not expanded if SOURCE is empty.
Mikael Morin
mikael.morin@tele2.fr
Wed Nov 19 21:44:00 GMT 2008
Hello,
this is only a missed optimization, but it is obvious on the other hand,
and it should have a limited impact (empty arrays only).
regression-tested on x86_64-unknown-linux-gnu, ok for 4.4? 4.3 as well?
Mikael
2008-11-19 Mikael Morin <mikael.morin@tele2.fr>
PR fortran/38184
* simplify.c (is_constant_array_expr): Return true instead of false
if the array constructor is empty
2008-11-19 Mikael Morin <mikael.morin@tele2.fr>
PR fortran/38184
* gfortran.dg/reshape_empty_1.f03: New test.
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