ZJIT: Fix Kernel#Float's annotation (ruby#14123)

As pointed out in ruby#14078 (comment), the return type should be `Float` instead.

Author: st0012

zjit/src/cruby_methods.rs

@@ -174,7 +174,7 @@ pub fn init() -> Annotations {
     annotate!(rb_cNilClass, "nil?", types::TrueClass, no_gc, leaf, elidable);
     annotate!(rb_mKernel, "nil?", types::FalseClass, no_gc, leaf, elidable);
 
-    annotate_builtin!(rb_mKernel, "Float", types::Flonum);
+    annotate_builtin!(rb_mKernel, "Float", types::Float);
     annotate_builtin!(rb_mKernel, "Integer", types::Integer);
     annotate_builtin!(rb_mKernel, "class", types::Class, leaf);
 

zjit/src/hir.rs

@@ -5011,9 +5011,9 @@ mod tests {
         assert_method_hir_with_opcode("Float", YARVINSN_opt_invokebuiltin_delegate_leave, expect![[r#"
             fn Float@<internal:kernel>:
             bb0(v0:BasicObject, v1:BasicObject, v2:BasicObject, v3:BasicObject):
-              v6:Flonum = InvokeBuiltin rb_f_float, v0, v1, v2
+              v6:Float = InvokeBuiltin rb_f_float, v0, v1, v2
               Jump bb1(v0, v1, v2, v3, v6)
-            bb1(v8:BasicObject, v9:BasicObject, v10:BasicObject, v11:BasicObject, v12:Flonum):
+            bb1(v8:BasicObject, v9:BasicObject, v10:BasicObject, v11:BasicObject, v12:Float):
               Return v12
         "#]]);
     }