[patch, fortran] PR36376: -cpp -save-temps passes unknown options to f951

[Daniel Franke]

This cumulative patch (together with [1]) also avoids that -fpch-preprocess is 
added to the arguments for f951 if -save-temps is specified. 


2008-12-07  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/36376
        PR fortran/37468
	* lang-specs.h: Pass on -i* options to f951 to (probably)
	report them as unknown. Duplicate gcc.c (cpp_options), but
	omit -fpch-preprocess on -save-temps.


Bootstrapped and regression tested on i686-pc-linux-gnu.

Ok for trunk?

	Daniel


[1] http://gcc.gnu.org/ml/fortran/2008-12/msg00071.html

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