vect: Fix ICE caused by missing check for TREE_CODE == SSA_NAME

Need to check if the tree's code is SSA_NAME before SSA_NAME_RANGE_INFO.

2024-07-03  Hu, Lin1 <lin1.hu@intel.com>
	    Andrew Pinski <quic_apinski@quicinc.com>

gcc/ChangeLog:

	PR tree-optimization/115753
	* tree-vect-stmts.cc (supportable_indirect_convert_operation): Add
	TYPE_CODE check before SSA_NAME_RANGE_INFO.

gcc/testsuite/ChangeLog:

	PR tree-optimization/115753
	* gcc.dg/vect/pr115753-1.c: New test.
	* gcc.dg/vect/pr115753-2.c: Ditto.
	* gcc.dg/vect/pr115753-3.c: Ditto.