From e66c99023491107e3d0281af524434f4728e5f74 Mon Sep 17 00:00:00 2001
From: Takeshi Watanabe <takechi101010@gmail.com>
Date: Wed, 25 Apr 2018 13:27:00 +0900
Subject: Fix array replace leak error in mruby-uri.

---
 src/array.c     | 3 +++
 test/t/array.rb | 7 +++++++
 2 files changed, 10 insertions(+)

diff --git a/src/array.c b/src/array.c
index bfa6e5f06..2152e292d 100644
--- a/src/array.c
+++ b/src/array.c
@@ -377,6 +377,9 @@ ary_replace(mrb_state *mrb, struct RArray *a, struct RArray *b)
     if (ARY_EMBED_P(a)) {
       ARY_UNSET_EMBED_FLAG(a);
     }
+    else {
+      mrb_free(mrb, a->as.heap.ptr);
+    }
     a->as.heap.ptr = b->as.heap.ptr;
     a->as.heap.len = len;
     a->as.heap.aux.shared = b->as.heap.aux.shared;
diff --git a/test/t/array.rb b/test/t/array.rb
index d2edd0189..ecec39363 100644
--- a/test/t/array.rb
+++ b/test/t/array.rb
@@ -392,3 +392,10 @@ assert('Array#freeze') do
     a[0] = 1
   end
 end
+
+assert('shared array replace') do
+  a = [0] * 40
+  b = [0, 1, 2]
+  b.replace a[1, 20].dup
+  assert_equal 20, b.size
+end
-- 
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