[patch, fortran] PR40290, disable warning on internal type conversion

[Jerry DeLisle]

Daniel Franke wrote:
> Hi all,
> 
> the flag -Wconversion warns about REAL OP COMPLEX, when REAL is promoted to 
> COMPLEX. This is an implementation detail and should not be exposed to the 
> user. Hence, attached patch disables that warning.
> 
> 
> 2009-12-11  Daniel Franke  <franke.daniel@gmail.com>
> 
> 	PR fortran/40290
> 	* expr.c (gfc_type_convert_binary): Added warn-on-conversion flag,
> 	passed on to gfc_convert_type_warn() instead of gfc_convert_type();
> 	enabled warnings on all callers but ...
> 	* arith.c (eval_intrinsic): Disabled warnings on implicit type
> 	conversion.
> 	* gfortran.h gfc_type_convert_binary): Adjusted prototype.
> 
> 
> Regression tested on i686-pc-linux-gnu. Ok for trunk?
> 
OK.

Thanks for patch.

Jerry