Add #soa pointer type to aid with refactoring to #soa data types

a: #soa[16]Foo
p := &a[6]
#assert(type_of(p) == #soa^#soa[16]Foo)
p^.x = 123
p.x = 123

core/runtime/core.odin

@@ -176,6 +176,9 @@ Type_Info_Matrix :: struct {
 	column_count: int,
 	// Total element count = column_count * elem_stride
 }
+Type_Info_Soa_Pointer :: struct {
+	elem: ^Type_Info,
+}
 
 Type_Info_Flag :: enum u8 {
 	Comparable     = 0,
@@ -217,6 +220,7 @@ Type_Info :: struct {
 		Type_Info_Relative_Pointer,
 		Type_Info_Relative_Slice,
 		Type_Info_Matrix,
+		Type_Info_Soa_Pointer,
 	},
 }
 
@@ -403,6 +407,12 @@ Raw_Cstring :: struct {
 	data: [^]byte,
 }
 
+Raw_Soa_Pointer :: struct {
+	data:  rawptr,
+	index: int,
+}
+
+
 
 /*
 	// Defined internally by the compiler

core/runtime/print.odin

@@ -228,6 +228,9 @@ print_type :: proc "contextless" (ti: ^Type_Info) {
 	case Type_Info_Multi_Pointer:
 		print_string("[^]")
 		print_type(info.elem)
+	case Type_Info_Soa_Pointer:
+		print_string("#soa ^")
+		print_type(info.elem)
 	case Type_Info_Procedure:
 		print_string("proc")
 		if info.params == nil {