* flags.h (inline_max_insns): Declare.
        * integrate.c (inline_max_insns): New variable.
        (function_cannot_inline_p): Use it.
        * toplev.c (main): Add the flag -finline-limit-n.
        (display_help): Document -finline-limit-n.
        * invoke.texi: Document -finline-limit-n

From-SVN: r26629