analyzer: fix ICE on RANGE_EXPR in CONSTRUCTORs [PR96763]

analyzer: fix ICE on RANGE_EXPR in CONSTRUCTORs [PR96763]

gcc/analyzer/ChangeLog:
	PR analyzer/96763
	* store.cc (binding_map::apply_ctor_to_region): Handle RANGE_EXPR
	by calling a new binding_map::apply_ctor_val_to_range subroutine.
	Split out the existing non-CONSTRUCTOR-handling code to a new
	apply_ctor_pair_to_child_region subroutine.
	(binding_map::apply_ctor_val_to_range): New.
	(binding_map::apply_ctor_pair_to_child_region): New, split out
	from binding_map::apply_ctor_to_region as noted above.
	* store.h (binding_map::apply_ctor_val_to_range): New decl.
	(binding_map::apply_ctor_pair_to_child_region): New decl.

gcc/testsuite/ChangeLog:
	PR analyzer/96763
	* g++.dg/analyzer/pr96763.C: New test.