--- !ditz.rubyforge.org,2008-03-06/issue 
title: "assertion failed: act->var_env == NULL (duk_js_var.c:506) with execution step limit"
desc: |-
  Running a modified test-dev-coroutine-basic.js (add a few try-catches and an infinite
  loop to the resumed function):
  
  diff --git a/ecmascript-testcases/test-dev-coroutine-basic.js b/ecmascript-testcases/test-dev-coroutine-basic.js
  index 7feb632..1a1e542 100644
  --- a/ecmascript-testcases/test-dev-coroutine-basic.js
  +++ b/ecmascript-testcases/test-dev-coroutine-basic.js
  @@ -29,6 +29,14 @@ function yielder(x) {
       print('resumed with', yield(2));
       print('resumed with', yield(3));
  
  +try {
  +  try {
  +    for (;;) {}
  +  } catch (e2) {
  +  }
  +} catch (e) {
  +}
  +
       print('yielder ending');
       return 123;
   }
type: :bugfix
component: duk
release: v0.9
reporter: sva <sami.vaarala@iki.fi>
status: :closed
disposition: :fixed
creation_time: 2014-01-05 14:16:33.480847 Z
references: []

id: 3a01b3350abf46207f6d0da69c9873710b700045
log_events: 
- - 2014-01-05 14:16:33.656938 Z
  - sva <sami.vaarala@iki.fi>
  - created
  - ""
- - 2014-01-05 14:31:03.153259 Z
  - sva <sami.vaarala@iki.fi>
  - commented
  - "See: test-dev-bug-throw-in-catch.js"
- - 2014-01-05 14:31:09.921268 Z
  - sva <sami.vaarala@iki.fi>
  - changed status from unstarted to in_progress
  - ""
- - 2014-01-05 22:30:05.035887 Z
  - sva <sami.vaarala@iki.fi>
  - commented
  - |-
    Thread termination function unwound call and catch stacks in an incorrect order.
    This was not usually triggered, because the catch stack is usually empty when
    the call stack is unwound.
- - 2014-01-05 22:43:39.661509 Z
  - sva <sami.vaarala@iki.fi>
  - closed with disposition fixed
  - ""