* tree-ssa-tail-merge.c (same_succ_hash): Hash the static chain of a
	call statement, if any.
	(gimple_equal_p) <GIMPLE_CALL>: Compare the static chain of the call
	statements, if any.  Tidy up.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211342 138bc75d-0d04-0410-961f-82ee72b054a4