* numeric.c (rb_float_new_in_heap), include/ruby/ruby.h:

  make all Float objects frozen.
  [ruby-dev:46081] [ruby-trunk - Feature #6936]
  Most part of patch by NARUSE, Yui  <naruse@ruby-lang.org>.
* class.c (singleton_class_of): raise TypeError when
  trying to define a singleton method on Float objects.
* vm.c (vm_define_method): ditto.
* test/ruby/marshaltestlib.rb: catch up above changes.
* test/ruby/test_class.rb: ditto.
* test/test_pp.rb: ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37341 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/numeric.c b/numeric.c
index 722a6b8640..d1a1932b69 100644
--- a/numeric.c
+++ b/numeric.c
@@ -620,6 +620,7 @@ rb_float_new_in_heap(double d)
     NEWOBJ_OF(flt, struct RFloat, rb_cFloat, T_FLOAT);
 
     flt->float_value = d;
+    OBJ_FREEZE(flt);
     return (VALUE)flt;
 }