PR tree-optimization/90106

	PR tree-optimization/90106
	* tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
	new parameter as new internal function call, also move it to new
	basic block.
	(use_internal_fn): Pass internal function call to
	shrink_wrap_one_built_in_call_with_conds.

	gcc/testsuite
	* gcc.dg/cdce1.c: Check tailcall code generation after cdce pass.
	* gcc.dg/cdce2.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@271281 138bc75d-0d04-0410-961f-82ee72b054a4