From 1b327a0804614af77424657003dea3e77b01d2cb Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 18 Apr 2016 08:00:38 +0000
Subject: merge revision(s) 54465: [Backport #12237]

	* thread.c (update_coverage): Do not track coverage in loaded files
	  after Coverage.result. Avoids out-of-bounds access. [Bug #12237]

	* ext/coverage/coverage.c (coverage_clear_result_i): document.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@54632 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/coverage/coverage.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'ext')

diff --git a/ext/coverage/coverage.c b/ext/coverage/coverage.c
index 0c7755bc6d..f621280ca6 100644
--- a/ext/coverage/coverage.c
+++ b/ext/coverage/coverage.c
@@ -32,6 +32,7 @@ rb_coverage_start(VALUE klass)
     return Qnil;
 }
 
+/* Make coverage arrays empty so old covered files are no longer tracked. */
 static int
 coverage_clear_result_i(st_data_t key, st_data_t val, st_data_t h)
 {
-- 
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