Deprecate taint/trust and related methods, and make the methods no-ops

This removes the related tests, and puts the related specs behind
version guards.  This affects all code in lib, including some
libraries that may want to support older versions of Ruby.

1 files changed, 0 insertions, 12 deletions

diff --git a/class.c b/class.c
index 0b2bd2c703..c253b4b642 100644
--- a/class.c
+++ b/class.c
@@ -205,7 +205,6 @@ rb_class_boot(VALUE super)
     RCLASS_SET_SUPER(klass, super);
     RCLASS_M_TBL_INIT(klass);
 
-    OBJ_INFECT(klass, super);
     return (VALUE)klass;
 }
 
@@ -511,8 +510,6 @@ make_metaclass(VALUE klass)
     while (RB_TYPE_P(super, T_ICLASS)) super = RCLASS_SUPER(super);
     RCLASS_SET_SUPER(metaclass, super ? ENSURE_EIGENCLASS(super) : rb_cClass);
 
-    OBJ_INFECT(metaclass, RCLASS_SUPER(metaclass));
-
     return metaclass;
 }
 
@@ -851,8 +848,6 @@ rb_include_class_new(VALUE module, VALUE super)
     else {
 	RBASIC_SET_CLASS(klass, module);
     }
-    OBJ_INFECT(klass, module);
-    OBJ_INFECT(klass, super);
 
     return (VALUE)klass;
 }
@@ -867,7 +862,6 @@ ensure_includable(VALUE klass, VALUE module)
     if (!NIL_P(rb_refinement_module_get_refined_class(module))) {
 	rb_raise(rb_eArgError, "refinement module is not allowed");
     }
-    OBJ_INFECT(klass, module);
 }
 
 void
@@ -1660,12 +1654,6 @@ singleton_class_of(VALUE obj)
 	RCLASS_SERIAL(klass) = serial;
     }
 
-    if (OBJ_TAINTED(obj)) {
-	OBJ_TAINT(klass);
-    }
-    else {
-	FL_UNSET(klass, FL_TAINT);
-    }
     RB_FL_SET_RAW(klass, RB_OBJ_FROZEN_RAW(obj));
 
     return klass;