Description:
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I've been trying to make a trait in a PHP extension, and there doesn't seem to be any APIs for it, but I did manage to get it working, however when running
TEST_PHP_ARGS=-m make test

I'm getting this:
==12138== Conditional jump or move depends on uninitialised value(s)
==12138==    at 0x86FF52: zend_fixup_trait_method (zend_compile.c:4102)
==12138==    by 0x8A9BB7: zend_hash_apply_with_argument (zend_hash.c:666)
==12138==    by 0x87AE1E: zend_do_bind_traits (zend_compile.c:4369)
==12138==    by 0x8E2273: ZEND_BIND_TRAITS_SPEC_HANDLER (zend_vm_execute.h:1163)
==12138==    by 0x8D988A: execute_ex (zend_vm_execute.h:363)
==12138==    by 0x89C9B2: zend_execute_scripts (zend.c:1341)
==12138==    by 0x82B739: php_execute_script (main.c:2597)
==12138==    by 0x94F0E4: do_cli (php_cli.c:994)
==12138==    by 0x446BE5: main (php_cli.c:1378)
==12138== 

It still compiles and passes the tests, but I'm worried about undefined handling.

Test script:
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Unfortunately, it's in an extension, so to reproduce compile https://github.com/jbboehr/php-psr and run
TEST_PHP_ARGS=-m make test