[Patch, fortran] PR 37469 invalid GMP usage on gfortran.dg/parameter_array_init_3.f90

[Mikael Morin]

Hi,

this patch solves a problem where find_array_element in expr.c was
making some operations with GMP on non-constant expressions.

The patch adds calls to gfc_reduce_init_expr to simplify the array
bounds before the operations. There is no testcase
(parameter_array_init_3.f90 is already on trunk), but the added
gcc_assert should prevent regressions in the future.

no regression on x86_64-unknown-linux-gnu.

Ok for trunk ?

Mikael


2008-12-09  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/37469
	* expr.c (find_array_element): Simplify array bounds.
	Assert that both bounds are constant expressions.
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