convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW bits of the argument.


	* convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
	and TREE_CONSTANT_OVERFLOW bits of the argument.  Return
	quickly if the argument is already of the correct type.
	Call fold_build1 instead of build1.  Tidy up blank lines.

From-SVN: r112511