Reactive form async validation is not working as expected

🐞 bug report

Affected Package

The issue is caused by package @angular/forms@9.1.5

Is this a regression?

Don't know.

Description

Async validation of Reactive Forms from docs example passes if you type:

• Eric (wait for validation),
• Erica (wait for validation)
• Eric and hit Submit. It works ok in Template-driven form.

🔬 Minimal Reproduction

Just download example from https://angular.io/guide/form-validation and play with it.

🌍 Your Environment

Angular Version:

Angular CLI: 9.1.4
Node: 12.13.0
OS: win32 x64

Angular: 9.1.5
... animations, common, compiler, compiler-cli, core, forms
... platform-browser, platform-browser-dynamic, router, upgrade
Ivy Workspace: Yes

Package                           Version
-----------------------------------------------------------
@angular-devkit/architect         0.901.4
@angular-devkit/build-angular     0.901.4
@angular-devkit/build-optimizer   0.901.4
@angular-devkit/build-webpack     0.901.4
@angular-devkit/core              9.1.4
@angular-devkit/schematics        9.1.4
@angular/cli                      9.1.4
@ngtools/webpack                  9.1.4
@schematics/angular               9.1.4
@schematics/update                0.901.4
rxjs                              6.5.5
typescript                        3.8.3
webpack                           4.42.0

Anything else relevant?

[g-zwolinski]

@AndrewKushnir try click submit without leaving “Alter Ego” field. Then you can see that there was no validation before submit. Check attached gif

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