Leading JSDoc `*` in type expression incorrectly parsed

I tried the following snippet

/**
 * @typedef {
 *   import('../src/index.js').FakeCloudwatchLogs
 * } FakeCloudwatchLogs
 */

This did not compile with

test/index.js:11:6 - error TS1005: '}' expected.

11  *   import('../src/index.js').FakeCloudwatchLogs
        ~~~~~~

Removing the * and writing

/**
 * @typedef {
     import('../src/index.js').FakeCloudwatchLogs
 * } FakeCloudwatchLogs
 */

Does compile.

I am using typsecript 3.8.3

There is a related issue

• https://github.com/microsoft/TypeScript/pull/26528
• https://github.com/microsoft/TypeScript/issues/26846
• https://github.com/microsoft/TypeScript/issues/23667

Reproduce the issue from test/index.js using the reported TypeScript 3.8.3 snippet and compare it with the version that omits the leading *. Trace the JSDoc typedef parsing entry point to determine why the comment prefix is treated as part of the type expression; done means both forms compile without the TS1005 error.