**Bug**

**What is the current behavior?**

IE11 Windows 10 text area placeholder not rendering initially.
[https://jsfiddle.net/fztx6vqp/](https://jsfiddle.net/fztx6vqp/)

**What is the expected behavior?**

Placeholder should be visible on initial render.

**Which versions of React, and which browser / OS are affected by this issue? Did this work in previous versions of React?**

16.0.0, IE11, Windows 10
Appears to be a regression in 16.0.0 - #6731 

var CHILDREN = 'children';
var STYLE = 'style';
var HTML = '__html';
var {Namespaces: {html: HTML_NAMESPACE}, getIntrinsicNamespace} = DOMNamespaces;
if (__DEV__) {
  var warnedUnknownTags = {
    
    
    
    
    time: true,
    
    dialog: true,
  };
  var validatePropertiesInDevelopment = function(type, props) {
    validateARIAProperties(type, props);
    validateInputProperties(type, props);
    validateUnknownProperties(type, props);
  };
  
  
  
  
  
  var NORMALIZE_NEWLINES_REGEX = /\r\n?/g;
  var NORMALIZE_NULL_AND_REPLACEMENT_REGEX = /\u0000|\uFFFD/g;
  var normalizeMarkupForTextOrAttribute = function(markup: mixed): string {
    const markupString = typeof markup === 'string'
      ? markup
      : '' + (markup: any);