iseq.c (rb_iseq_line_trace_each): explicit cast

Fix https://travis-ci.org/ruby/ruby/jobs/36814282
Tested with -Wconversion since my gcc lacks -Wshorten-64-to-32

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47760 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/iseq.c b/iseq.c
index 6b89ea5daa..2872d4f131 100644
--- a/iseq.c
+++ b/iseq.c
@@ -2154,7 +2154,9 @@ rb_iseq_line_trace_each(VALUE iseqval, int (*func)(int line, rb_event_flag_t *ev
 	insn = iseq_original[pos];
 
 	if (insn == BIN(trace)) {
-	    rb_event_flag_t current_events = (VALUE)iseq_original[pos+1];
+	    rb_event_flag_t current_events;
+
+	    current_events = (rb_event_flag_t)iseq_original[pos+1];
 
 	    if (current_events & RUBY_EVENT_LINE) {
 		rb_event_flag_t events = current_events & RUBY_EVENT_SPECIFIED_LINE;