* expr.c (check_max_integer_computation_mode): Remove.
	* dojump.c (do_jump): Don't use MAX_INTEGER_COMPUTATION_MODE.
	* fold-const.c (fold): Likewise.
	* system.h (MAX_INTEGER_COMPUTATION_MODE): Poison.
	* doc/tm.texi (MAX_INTEGER_COMPUTATION_MODE): Remove.

From-SVN: r74868