[Patch, fortran] [64/66] inline sum and product: Inline sum: Change loop use.

[Mikael Morin]

In the non-scalar case the scalarizer needs to take code out of the outer loop,
which means that the inner one (the "sum" loop) has already been handled
before entering gfc_conv_intrinsic_arith, which means loop shall be a pointer
to that loop instead of the address of the local loop in that case.
This patch changes local loop uses with a pointer loop use (which is
initialized to the local loop for now).
OK?
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2011-10-19  Mikael Morin  <mikael@gcc.gnu.org>

	* trans-intrinsic.c (gfc_conv_intrinsic.c): Introduce current loop
	pointer.  Use it.
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