* cont.c (rb_fiber_start): clear th->tag and check error to fix

  [ruby-dev:30888] and [ruby-dev:30889].
* eval_intern.h: fix rb_fiber_start() prototype.
* test/ruby/test_fiber.rb: add tests for above.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12443 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/cont.c b/cont.c
index 4327d14746..265e743a97 100644
--- a/cont.c
+++ b/cont.c
@@ -421,6 +421,8 @@ rb_fiber_start(void)
     VALUE args;
     int state;
 
+    th->tag = 0;
+
     TH_PUSH_TAG(th);
     if ((state = EXEC_TAG()) == 0) {
 	GetContPtr(th->fiber, cont);
@@ -436,7 +438,7 @@ rb_fiber_start(void)
     TH_POP_TAG();
 
     if (state) {
-	th->thrown_errinfo = th->errinfo;
+	th->thrown_errinfo = th_make_jump_tag_but_local_jump(state, th->errinfo);
 	th->interrupt_flag = 1;
     }