--- old/src/java.desktop/share/classes/sun/java2d/marlin/CollinearSimplifier.java 2017-04-22 13:16:01.496504994 +0200 +++ new/src/java.desktop/share/classes/sun/java2d/marlin/CollinearSimplifier.java 2017-04-22 13:16:01.296503202 +0200 @@ -146,7 +146,7 @@ private static float getSlope(float x1, float y1, float x2, float y2) { float dy = y2 - y1; - if (dy == 0f) { + if (dy == 0.0f) { return (x2 > x1) ? Float.POSITIVE_INFINITY : Float.NEGATIVE_INFINITY; }