gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of -traditional, -ftraditional, or -traditional-cpp was given.

	* gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
	-traditional, -ftraditional, or -traditional-cpp was given.
	Do not pass -traditional to the preprocessor.
	(.S spec): Likewise.  Don't bother defining __ASSEMBLER__, the
	preprocessor does it automatically.
	* objc/lang-specs.h: Likewise.  Don't bother defining __OBJC__.

	* ch/lang-specs.h: Always use tradcpp.  Do not pass
	-traditional, -trigraphs, or -pedantic to the preprocessor.
	* f/lang-specs.h (.F spec): Likewise.  Don't bother defining
	_LANGUAGE_FORTRAN.

From-SVN: r34995