[PR 81248] Fix ipa-sra size check

2017-11-27  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/81248
	* tree-sra.c (splice_param_accesses): Remove size check.
	(decide_one_param_reduction): Fix size check.
	* gimple-pretty-print.c (dump_profile): Silence warning.
	* params.def (PARAM_IPA_SRA_PTR_GROWTH_FACTOR): Adjust description.

	testsuite/
	* g++.dg/ipa/pr81248.C: New test.
	* gcc.dg/tree-ssa/ssa-pre-31.c: Disable IPA-SRA.
	* gcc/testsuite/gcc.dg/ipa/ipcp-cstagg-2.c: Likewise.

From-SVN: r255163