Add tags for new failing specs

Author: eregon

spec/tags/core/marshal/load_tags.txt

@@ -20,3 +20,6 @@ fails:Marshal.load when called with freeze: true does not freeze modules
 fails:Marshal.load when called with freeze: true does not freeze classes
 fails:Marshal.load when called with freeze: true when called with a proc call the proc with frozen objects
 fails:Marshal.load when called with freeze: true when called with a proc does not freeze the object returned by the proc
+fails:Marshal.load when called with freeze: true does freeze extended objects
+fails:Marshal.load when called with freeze: true does freeze extended objects with instance variables
+fails:Marshal.load for a Regexp restore the regexp instance variables

spec/tags/core/marshal/restore_tags.txt

@@ -20,3 +20,6 @@ fails:Marshal.restore when called with freeze: true does not freeze modules
 fails:Marshal.restore when called with freeze: true does not freeze classes
 fails:Marshal.restore when called with freeze: true when called with a proc call the proc with frozen objects
 fails:Marshal.restore when called with freeze: true when called with a proc does not freeze the object returned by the proc
+fails:Marshal.restore when called with freeze: true does freeze extended objects
+fails:Marshal.restore when called with freeze: true does freeze extended objects with instance variables
+fails:Marshal.restore for a Regexp restore the regexp instance variables

spec/tags/core/unboundmethod/bind_call_tags.txt

@@ -0,0 +1 @@
+fails:UnboundMethod#bind_call allows calling super for module methods bound to hierarchies that do not already have that module

spec/tags/core/unboundmethod/bind_tags.txt

@@ -0,0 +1 @@
+fails:UnboundMethod#bind allows calling super for module methods bound to hierarchies that do not already have that module