tree-ssa-strlen.c: include ipa-chkp.h, cgraph.h, ipa-ref.h, plugin-api.h.

tree-ssa-strlen.c: include ipa-chkp.h, cgraph.h, ipa-ref.h, plugin-api.h.

gcc/

	* tree-ssa-strlen.c: include ipa-chkp.h, cgraph.h,
	ipa-ref.h, plugin-api.h.
	(get_string_length): Handle calls with bounds.
	(adjust_last_stmt): Likewise.
	(handle_builtin_strchr): Likewise.
	(handle_builtin_strcpy): Likewise.
	(handle_builtin_memcpy): Likewise.
	(handle_builtin_strcat): Likewise.

gcc/testsuite/

	* gcc.target/i386/chkp-strlen-1.c: New.
	* gcc.target/i386/chkp-strlen-2.c: New.
	* gcc.target/i386/chkp-strlen-3.c: New.
	* gcc.target/i386/chkp-strlen-4.c: New.
	* gcc.target/i386/chkp-strlen-5.c: New.

From-SVN: r217657