IIFE is not unwrapped if it has a pure annotation

[gtm-nayan]

Bug report or Feature request?

Version (complete output of terser -V or specific git commit)
5.22.0

Complete CLI command or minify() options used
https://try.terser.org/
with options

{
  module: true,
  compress: { passes: 3, inline: true },
  mangle: {},
  output: {},
  parse: {},
  rename: {},
}

terser input

export const a = (() => 2)();
export const b = /* @__PURE__ */(() => 3)();

terser output or error

export const a=2;export const b=(()=>3)();

Expected result

export const a=2;export const b=3;