DEBUG: Suppress Fatal error on arginfo / zpp mismatch detection

[zeriyoshi]

Description

Debug built PHP 8.2 raises a Fatal error when there is a mismatch between function and method arginfo and the actual arguments parsed by Zend Parse Parameter.

This is a useful feature for debugging, but makes it difficult to get a core dump in situations where arginfo is not properly declared for ext-grpc, ext-protobuf, ext-redis, etc.

Therefore, I propose to add ZEND_SUPPRESS_ARGINFO_ZPP_MISMATCH like USE_ZEND_ALLOC or ZEND_DONT_UNLOAD_MODULES to provide a way to bypass these checks.

This change is only valid for debug builds and does not apply to release built PHP. For this reason, I believe the RFC is unnecessary.

Implementation: #10424

[bof]

I think I encountered this too, recently, and on a 7.1.14 build with debug enabled.

A function in one of my extensions, returns either false, or an array. However, I had its arginfo read IS_ARRAY for the return type.

A non-debug build did not show any issues, but for the debug build, my regression test for a case where it actually was supposed to return false, said
Fatal error: bla(): Return value must be of type array, bool returned

Changing the arginfo return definition to IS_MIXED, cured the issue.

I'm grateful for having been educated about my wrong ways that way - but would have expected debug and normal build to behave the same.