Size ptr tuple (#10846)

* fixes #10117
* Add support for recursive tuples
* detect in generics

tests/types/tillegaltuplerecursion.nim

@@ -0,0 +1,38 @@
+discard """
+  errormsg: "illegal recursion in type"
+"""
+
+# This is one big illegal type cycle. It doesn't really matter at
+# what line the error is reported, nor what name is picked to point
+# out the illegal recursion.
+
+type
+  MyType0 = ref tuple
+    children: MyType1
+
+  MyType1 = ref tuple
+    children: array[10, MyType2]
+
+  MyType2 = ref tuple
+    children: seq[MyType3]
+
+  MyType3 = ref tuple
+    children: UncheckedArray[MyType4]
+
+  MyType4 = ref tuple
+    children: MyType5
+
+  MyType5 = tuple
+    children: array[10, MyType6]
+
+  MyType6 = tuple
+    children: seq[MyType7]
+
+  MyType7 = tuple
+    children: UncheckedArray[MyType8]
+
+  MyType8 = tuple
+    children: ptr MyType9
+
+  MyType9 = tuple
+    children: MyType0

tests/types/tillegaltuplerecursiongeneric.nim

@@ -0,0 +1,7 @@
+discard """
+  errormsg: "illegal recursion in type 'RefTreeInt'"
+"""
+
+type
+  RefTree[T] = ref tuple[le, ri: RefTree[T]; data: T]
+  RefTreeInt = RefTree[int]