eval.c: no method calls at stack overflow

* eval.c (setup_exception): get rid of method calls before raising
  stack overflow, not to cause stack overflow again.
* defs/id.def: add IDs for backtraces.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46593 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 2 deletions

diff --git a/test/ruby/test_exception.rb b/test/ruby/test_exception.rb
index c71c7dfc64..48d470f8ed 100644
--- a/test/ruby/test_exception.rb
+++ b/test/ruby/test_exception.rb
@@ -529,8 +529,10 @@ end.join
   end
 
   def test_stackoverflow
-    e = assert_raise(SystemStackError){m}
-    assert_operator(e.backtrace.size, :>, 10)
+    feature6216 = '[ruby-core:43794] [Feature #6216]'
+    e = assert_raise(SystemStackError, feature6216) {m}
+    level = e.backtrace.size
+    assert_operator(level, :>, 10, feature6216)
   end
 
   def test_machine_stackoverflow