`self::class` in parameter on trait method

[olivernybroe]

Bug report

Phpstan crashes when using a trait that has a method with a parameter that refers to self::class

Code snippet that reproduces the problem

https://phpstan.org/r/bddbfc71-bae5-49a2-9d64-0472e559781b

Expected output

That it doesn't crash ;)

[ondrejmirtes]

Wow, didn't know such thing is possible... Runtime proof: https://3v4l.org/P7Bmd

[olivernybroe]

@ondrejmirtes Yeah, took me some time to debug it throughout our application :) But finally found the line!

we learn something new each day ;)

[ondrejmirtes]

Interesting reflection behaviour that I'll need to replicate: https://3v4l.org/iopRK

[phpstan-bot]

@olivernybroe After the latest commit to dev-master, PHPStan now reports different result with your code snippet:

@@ @@
 -1: Internal error: Failed to find parent class of constant "class".
 Run PHPStan with --debug option and post the stack trace to:
-https://github.com/phpstan/phpstan/issues/new
+https://github.com/phpstan/phpstan/issues/new?template=Bug_report.md

Full report

Line	Error
-1	Internal error: Failed to find parent class of constant "class".
Run PHPStan with --debug option and post the stack trace to:
https://github.com/phpstan/phpstan/issues/new?template=Bug_report.md

[phpstan-bot]

@olivernybroe After the latest commit in dev-master, PHPStan now reports different result with your code snippet:

@@ @@
--1: Internal error: Failed to find parent class of constant "class".
-Run PHPStan with --debug option and post the stack trace to:
-https://github.com/phpstan/phpstan/issues/new
+ 7: Parameter $date of method HelloWorld::sayHello() has invalid typehint type DateTimeImutable.

Full report

Line	Error
7	Parameter $date of method HelloWorld::sayHello() has invalid typehint type DateTimeImutable.

[ondrejmirtes]

Fixed by: ondrejmirtes/BetterReflection@a41da9f + phpstan/phpstan-src@431905c

[olivernybroe]

Amazing! Thanks

[github-actions]

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