* tool/instruction.rb (make_header_prepare_stack): check stack

  overflow.  [ruby-core:25714]

* tool/instruction.rb (make_footer_stack_val): ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25048 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 11 insertions, 0 deletions

diff --git a/bootstraptest/test_eval.rb b/bootstraptest/test_eval.rb
index 452ce43107..f63d995ffb 100644
--- a/bootstraptest/test_eval.rb
+++ b/bootstraptest/test_eval.rb
@@ -308,3 +308,14 @@ assert_equal "[:x]", %q{
     binding
   end
 }, '[ruby-core:25125]'
+
+assert_normal_exit %q{
+  hash = {}
+  ("aaaa".."matz").each_with_index do |s, i|
+    hash[s] = i
+  end
+  begin
+    eval "class C; @@h = #{hash.inspect}; end"
+  rescue SystemStackError
+  end
+}, '[ruby-core:25714]'