PR preprocessor/19475
	* macro.c (create_iso_definition): For < ISO C99, don't
	pedwarn if there is no whitespace between macro name and its
	replacement, but the replacement starts with a basic character
	set character.

	* gcc.dg/cpp/macspace1.c: New test.
	* gcc.dg/cpp/macspace2.c: New test.

From-SVN: r97652