Merge remote-tracking branch 'origin/MAGETWO-52925' into BUGS

app/code/Magento/Swatches/view/frontend/web/js/swatch-renderer.js

@@ -259,6 +259,9 @@ define([
             // whether swatches are rendered in product list or on product page
             inProductList: false,
 
+            // sly-old-price block selector
+            slyOldPriceSelector: '.sly-old-price',
+
             // tier prise selectors start
             tierPriceTemplateSelector: '#tier-prices-template',
             tierPriceBlockSelector: '[data-role="tier-price-block"]',
@@ -837,6 +840,12 @@ define([
                 }
             );
 
+            if (result.oldPrice.amount !== result.finalPrice.amount) {
+                $(this.options.slyOldPriceSelector).show();
+            } else {
+                $(this.options.slyOldPriceSelector).hide();
+            }
+
             if (result.tierPrices.length) {
                 if (this.options.tierPriceTemplate) {
                     tierPriceHtml = mageTemplate(