commit 3d44442331ba6f1ba7a5d5ad9f3834993911e288

Author: Allan Sandfeld Jensen <allan.jensen@qt.io>

Date:   Tue Nov 27 13:42:11 2018 +0100

    Fix scroll position after resize

    We didn't update the position if it ended up with an invalid value.

    Fixes: QTBUG-63437

    Change-Id: Idc4d3b0cb43fd63bdb0ff10b4162dfabe49455df

    Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

diff --git b/src/controls/Private/ScrollViewHelper.qml a/src/controls/Private/ScrollViewHelper.qml

index 4f1d59f0..53050108 100644

--- b/src/controls/Private/ScrollViewHelper.qml

+++ a/src/controls/Private/ScrollViewHelper.qml

@@ -78,8 +78,6 @@ Item {

             scrollHelper.availableWidth = viewport.width

             scrollHelper.availableHeight = viewport.height

             blockUpdates = false;

-            hscrollbar.valueChanged();

-            vscrollbar.valueChanged();

         }

     }

@@ -135,11 +133,8 @@ Item {

         anchors.leftMargin:  leftMargin

         anchors.bottomMargin: bottomMargin

         onScrollAmountChanged: {

-            var scrollableAmount = scrollable ? scrollAmount : 0

             if (flickableItem && (flickableItem.atXBeginning || flickableItem.atXEnd)) {

-                value = Math.min(scrollableAmount, flickableItem.contentX - flickableItem.originX);

-            } else if (value > scrollableAmount) {

-                value = scrollableAmount;

+                value = flickableItem.contentX - flickableItem.originX

             }

         }

         onValueChanged: {