fixed #1843

fixed “fill” block crash when applying the same color twice

history.txt

@@ -3598,6 +3598,7 @@ Fixes:
 ------
 * Blocks, Threads: Confine programmatically setting the “temporary?” attribute to dev mode
 * BYOB: enable exporting script pics of custom blocks in the newest Chrome version, which disables opening tabs on dataURLs
+* Objects: fixed #1843
 
 
 Features:
@@ -3632,4 +3633,5 @@ Fixes:
 * changed direction attribute of sprites to automatically confine to 0-360 degrees
 * fixed rotation-bug when flipping costumes in "only turn left/right" mode"
 * fixed variable renaming (“refactoring”) bugs, thanks, Bernat!
+* fixed “fill” block crash when applying the same color twice
 * fixed some typos

objects.js

@@ -82,7 +82,7 @@ SpeechBubbleMorph, RingMorph, isNil, FileReader, TableDialogMorph,
 BlockEditorMorph, BlockDialogMorph, PrototypeHatBlockMorph, localize,
 TableMorph, TableFrameMorph, normalizeCanvas, BooleanSlotMorph, HandleMorph*/
 
-modules.objects = '2017-August-29';
+modules.objects = '2017-August-30';
 
 var SpriteMorph;
 var StageMorph;
@@ -4192,7 +4192,7 @@ SpriteMorph.prototype.floodFill = function () {
     if (src[0] === Math.round(this.color.r) &&
             src[1] === Math.round(this.color.g) &&
             src[2] === Math.round(this.color.b) &&
-            src[3] === Math.round(this.color.a * 255)) {
+            src[3] === Math.round(this.color.a)) {
         return;
     }
     while (stack.length > 0) {