From 3dfd1412e4accfb442ddb9b83bf4e324742756c5 Mon Sep 17 00:00:00 2001
From: janekptacijarabaci <janekptacijarabaci@seznam.cz>
Date: Wed, 2 May 2018 07:08:14 +0200
Subject: Building with "--enable-debug" - fix some warnings

https://github.com/MoonchildProductions/moebius/pull/146
https://github.com/MoonchildProductions/Pale-Moon/pull/1400
---
 devtools/client/sourceeditor/tern/def.js | 5 +++--
 layout/base/nsLayoutUtils.cpp            | 5 +++--
 toolkit/jetpack/dev/volcan.js            | 2 +-
 toolkit/jetpack/sdk/lang/weak-set.js     | 4 ++--
 xpfe/appshell/nsWindowMediator.cpp       | 4 +---
 5 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/devtools/client/sourceeditor/tern/def.js b/devtools/client/sourceeditor/tern/def.js
index 71f6e7991..f4a7ba9c8 100755
--- a/devtools/client/sourceeditor/tern/def.js
+++ b/devtools/client/sourceeditor/tern/def.js
@@ -77,7 +77,8 @@
       }
     },
     word: function(re) {
-      var word = "", ch, re = re || /[\w$]/;
+      var word = "", ch;
+      re = re || /[\w$]/;
       while ((ch = this.spec.charAt(this.pos)) && re.test(ch)) { word += ch; ++this.pos; }
       return word;
     },
@@ -187,7 +188,7 @@
         if (top && this.forceNew) return new infer.Obj(base);
         return infer.getInstance(base);
       } else if (this.eat(":")) {
-        var name = this.word(/[\w$\.]/)
+        name = this.word(/[\w$\.]/)
         return infer.getSymbol(name)
       } else if (comp && this.eat("!")) {
         var arg = this.word(/\d/);
diff --git a/layout/base/nsLayoutUtils.cpp b/layout/base/nsLayoutUtils.cpp
index 86874f404..9d8dd81bf 100644
--- a/layout/base/nsLayoutUtils.cpp
+++ b/layout/base/nsLayoutUtils.cpp
@@ -6653,8 +6653,9 @@ nsLayoutUtils::DrawSingleImage(gfxContext&            aContext,
   nscoord appUnitsPerCSSPixel = nsDeviceContext::AppUnitsPerCSSPixel();
   CSSIntSize pixelImageSize(ComputeSizeForDrawingWithFallback(aImage, aDest.Size()));
   if (pixelImageSize.width < 1 || pixelImageSize.height < 1) {
-    NS_WARNING("Image width or height is non-positive");
-    return DrawResult::TEMPORARY_ERROR;
+    NS_ASSERTION(pixelImageSize.width >= 0 && pixelImageSize.height >= 0,
+                 "Image width or height is negative");
+    return DrawResult::SUCCESS;  // no point in drawing a zero size image
   }
 
   nsSize imageSize(CSSPixel::ToAppUnits(pixelImageSize));
diff --git a/toolkit/jetpack/dev/volcan.js b/toolkit/jetpack/dev/volcan.js
index 6a68ed12d..7ec208eec 100644
--- a/toolkit/jetpack/dev/volcan.js
+++ b/toolkit/jetpack/dev/volcan.js
@@ -139,7 +139,7 @@ var Client = Class({
           .then(this.onReady.bind(this, this.root), this.onFail);
     } else {
       var actor = this.get(packet.from) || this.root;
-      var event = actor.events[packet.type];
+      event = actor.events[packet.type];
       if (event) {
         var message = new MessageEvent(packet.type, {
           data: event.read(packet)
diff --git a/toolkit/jetpack/sdk/lang/weak-set.js b/toolkit/jetpack/sdk/lang/weak-set.js
index 8972602a5..0b81a395b 100644
--- a/toolkit/jetpack/sdk/lang/weak-set.js
+++ b/toolkit/jetpack/sdk/lang/weak-set.js
@@ -2,12 +2,12 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+"use strict";
+
 module.metadata = {
   "stability": "experimental"
 };
 
-"use strict";
-
 const { Cu } = require("chrome");
 
 function makeGetterFor(Type) {
diff --git a/xpfe/appshell/nsWindowMediator.cpp b/xpfe/appshell/nsWindowMediator.cpp
index 6d69bc764..35ae550ae 100644
--- a/xpfe/appshell/nsWindowMediator.cpp
+++ b/xpfe/appshell/nsWindowMediator.cpp
@@ -616,12 +616,10 @@ nsWindowMediator::GetZLevel(nsIXULWindow *aWindow, uint32_t *_retval)
 {
   NS_ENSURE_ARG_POINTER(_retval);
   *_retval = nsIXULWindow::normalZ;
+  // This can fail during window destruction.
   nsWindowInfo *info = GetInfoFor(aWindow);
   if (info) {
     *_retval = info->mZLevel;
-  } else {
-    NS_WARNING("getting z level of unregistered window");
-    // this goes off during window destruction
   }
   return NS_OK;
 }
-- 
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