Fix parsing @link at end of comment

Author: sandersn

src/compiler/parser.ts

@@ -7708,7 +7708,7 @@ namespace ts {
                         ? parseEntityName(/*allowReservedWords*/ true)
                         : undefined;
                     const text = [];
-                    while (token() !== SyntaxKind.CloseBraceToken && token() !== SyntaxKind.NewLineTrivia) {
+                    while (token() !== SyntaxKind.CloseBraceToken && token() !== SyntaxKind.NewLineTrivia && token() !== SyntaxKind.EndOfFileToken) {
                         text.push(scanner.getTokenText());
                         nextTokenJSDoc();
                     }

tests/baselines/reference/parseLinkTag.js

@@ -0,0 +1,16 @@
+//// [parseLinkTag.ts]
+/** trailing @link tag {@link */
+var x;
+/** @returns trailing @link tag {@link */
+function f() {
+    return x
+}
+
+
+//// [parseLinkTag.js]
+/** trailing @link tag {@link */
+var x;
+/** @returns trailing @link tag {@link */
+function f() {
+    return x;
+}

tests/baselines/reference/parseLinkTag.symbols

@@ -0,0 +1,13 @@
+=== tests/cases/conformance/jsdoc/parseLinkTag.ts ===
+/** trailing @link tag {@link */
+var x;
+>x : Symbol(x, Decl(parseLinkTag.ts, 1, 3))
+
+/** @returns trailing @link tag {@link */
+function f() {
+>f : Symbol(f, Decl(parseLinkTag.ts, 1, 6))
+
+    return x
+>x : Symbol(x, Decl(parseLinkTag.ts, 1, 3))
+}
+

tests/baselines/reference/parseLinkTag.types

@@ -0,0 +1,13 @@
+=== tests/cases/conformance/jsdoc/parseLinkTag.ts ===
+/** trailing @link tag {@link */
+var x;
+>x : any
+
+/** @returns trailing @link tag {@link */
+function f() {
+>f : () => any
+
+    return x
+>x : any
+}
+

tests/cases/conformance/jsdoc/parseLinkTag.ts

@@ -0,0 +1,6 @@
+/** trailing @link tag {@link */
+var x;
+/** @returns trailing @link tag {@link */
+function f() {
+    return x
+}