function checkReactTypeSpec(typeSpecs, values, location, componentName, element, debugID) {
	  for (var typeSpecName in typeSpecs) {
	    if (typeSpecs.hasOwnProperty(typeSpecName)) {
	      var error;
	      // Prop type validation may throw. In case they do, we don't want to
	      // fail the render phase where it didn't fail before. So we log it.
	      // After these have been cleaned up, we'll let them throw.
	      try {
	        // This is intentionally an invariant that gets caught. It's the same
	        // behavior as without this statement except with a better message.
	        !(typeof typeSpecs[typeSpecName] === 'function') ? process.env.NODE_ENV !== 'production' ? invariant(false, '%s: %s type `%s` is invalid; it must be a function, usually from React.PropTypes.', componentName || 'React class', ReactPropTypeLocationNames[location], typeSpecName) : _prodInvariant('84', componentName || 'React class', ReactPropTypeLocationNames[location], typeSpecName) : void 0;
	        error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret);
	      } catch (ex) {
	        error = ex;
	      }
	      process.env.NODE_ENV !== 'production' ? warning(!error || error instanceof Error, '%s: type specification of %s `%s` is invalid; the type checker ' + 'function must return `null` or an `Error` but returned a %s. ' + 'You may have forgotten to pass an argument to the type checker ' + 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' + 'shape all require an argument).', componentName || 'React class', ReactPropTypeLocationNames[location], typeSpecName, typeof error) : void 0;
	      if (error instanceof Error && !(error.message in loggedTypeFailures)) {
	        // Only monitor this failure once because there tends to be a lot of the
	        // same error.
	        loggedTypeFailures[error.message] = true;

	        var componentStackInfo = '';

	        if (process.env.NODE_ENV !== 'production') {
	          if (!ReactComponentTreeHook) {
	            ReactComponentTreeHook = __webpack_require__(28);
	          }
	          if (debugID !== null) {
	            componentStackInfo = ReactComponentTreeHook.getStackAddendumByID(debugID);
	          } else if (element !== null) {
	            componentStackInfo = ReactComponentTreeHook.getCurrentStackAddendum(element);
	          }
	        }

	        process.env.NODE_ENV !== 'production' ? warning(false, 'Failed %s type: %s%s', location, error.message, componentStackInfo) : void 0;
	      }
	    }
	  }
	}
Assert that the values match with the type specs.
Error messages are memorized and will only be shown once.

@param {object} typeSpecs Map of name to a ReactPropType
@param {object} values Runtime values that need to be type-checked
@param {string} location e.g. "prop", "context", "child context"
@param {string} componentName Name of the component for error messages.
@param {?object} element The React element that is being type-checked
@param {?number} debugID The React component instance that is being type-checked
@private