allow keyword in Flow object declaration property names with type par…

…ameters (babel#146)

src/plugins/flow.js

@@ -336,6 +336,9 @@ pp.flowParseObjectTypeCallProperty = function (node, isStatic) {
 };
 
 pp.flowParseObjectType = function (allowStatic, allowExact) {
+  const oldInType = this.state.inType;
+  this.state.inType = true;
+
   let nodeStart = this.startNode();
   let node;
   let propertyKey;
@@ -399,7 +402,11 @@ pp.flowParseObjectType = function (allowStatic, allowExact) {
 
   this.expect(endDelim);
 
-  return this.finishNode(nodeStart, "ObjectTypeAnnotation");
+  const out = this.finishNode(nodeStart, "ObjectTypeAnnotation");
+
+  this.state.inType = oldInType;
+
+  return out;
 };
 
 pp.flowObjectTypeSemicolon = function () {

test/fixtures/flow/type-parameter-declaration/declare-class-method-reserved-word/actual.js

@@ -0,0 +1,10 @@
+declare class X {
+  foobar<T>(): void;
+  delete<T>(): void;
+  yield<T>(): void;
+  do<T>(): void;
+  static foobar<T>(): void;
+  static delete<T>(): void;
+  static yield<T>(): void;
+  static do<T>(): void;
+};