[Patch, fortran] [61/66] inline sum and product: Prevent regressions: Disable frontend optimizations.

[Mikael Morin]

Not exactly a regression, but frontend optimizations can make things worse
by forcing temporary generation.
This disables common function elimination and binary operator optimization
for inline intrinsics.
I hope I didn't miss anything else.
OK?
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2011-10-19  Mikael Morin  <mikael@gcc.gnu.org>

	* frontend-passes.c (cfe_register_funcs): Return early in the case
	of an inline intrinsic function.
	(optimize_binop_array_assignment): Skip optimization in the case of
	an inline intrinsic function.
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