re PR tree-optimization/70177 (ICE in extract_ops_from_tree starting with r233660)

re PR tree-optimization/70177 (ICE in extract_ops_from_tree starting with r233660)

	PR tree-optimization/70177
	* gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
	(extract_ops_from_tree): ... this.  In the 2 argument
	overload remove _1 suffix.
	* gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
	(extract_ops_from_tree): ... this.
	* gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
	Adjust callers.
	* tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
	* tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
	extract_ops_from_tree instead of 2 operand one.

	* gcc.dg/pr70177.c: New test.

From-SVN: r234140