* compile.c (tailcallable_p): disable tail call optimization for

  toplevel, eval, and load to avoid SEGV when interrupted by SIGINT.
  [ruby-core:76327] [Bug #12576]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56610 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/compile.c b/compile.c
index bdeb7fdac2..b113b08df4 100644
--- a/compile.c
+++ b/compile.c
@@ -2423,6 +2423,10 @@ static inline int
 tailcallable_p(rb_iseq_t *iseq)
 {
     switch (iseq->body->type) {
+      case ISEQ_TYPE_TOP:
+      case ISEQ_TYPE_EVAL:
+      case ISEQ_TYPE_MAIN:
+	/* not tail callable because cfp will be over popped */
       case ISEQ_TYPE_RESCUE:
       case ISEQ_TYPE_ENSURE:
 	/* rescue block can't tail call because of errinfo */