From e8a5e4dfbc32c6a08809b8b996053996b499fdde Mon Sep 17 00:00:00 2001
From: Luke Wagner <luke@mozilla.com>
Date: Mon, 18 Feb 2019 17:55:43 -0600
Subject: [PATCH] Bug 1520931 - Baldr: fix implicit constructor warning (r=me)

---
 js/src/wasm/WasmJS.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/src/wasm/WasmJS.cpp b/js/src/wasm/WasmJS.cpp
index a9bed467e256..5e7ad562b0dd 100644
--- a/js/src/wasm/WasmJS.cpp
+++ b/js/src/wasm/WasmJS.cpp
@@ -459,7 +459,7 @@ struct MOZ_STACK_CLASS SerializeListener : JS::OptimizedEncodingListener {
 
   DebugOnly<bool> called = false;
   Bytes* serialized;
-  SerializeListener(Bytes* serialized) : serialized(serialized) {}
+  explicit SerializeListener(Bytes* serialized) : serialized(serialized) {}
 
   void storeOptimizedEncoding(const uint8_t* bytes, size_t length) override {
     MOZ_ASSERT(!called);