Fix transitive generic interface args in Reflection - #3
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azjezz merged 1 commit intoMay 12, 2026
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azjezz
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carthage-software:rfc/bound-erased-generic-types-history
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…dict
```
Direct leak of 52 byte(s) in 1 object(s) allocated from:
#0 0x7ff90cd2c161 in malloc (/usr/lib/libasan.so.8+0x12c161) (BuildId: ee5fbab73143ab257a66a33afe0f038a4af7a74e)
#1 0x55de10c9a468 in tracked_malloc /work/php-8.4/Zend/zend_alloc.c:2973
#2 0x55de10c99443 in _emalloc /work/php-8.4/Zend/zend_alloc.c:2740
#3 0x55de102deb86 in zlib_create_dictionary_string /work/php-8.4/ext/zlib/zlib.c:836
#4 0x55de102e145a in zif_deflate_init /work/php-8.4/ext/zlib/zlib.c:1144
#5 0x55de10dcac6c in ZEND_DO_ICALL_SPEC_RETVAL_USED_HANDLER /work/php-8.4/Zend/zend_vm_execute.h:1351
#6 0x55de10f2d69d in execute_ex /work/php-8.4/Zend/zend_vm_execute.h:58907
#7 0x55de10f41666 in zend_execute /work/php-8.4/Zend/zend_vm_execute.h:64334
php#8 0x55de110a6cf8 in zend_execute_script /work/php-8.4/Zend/zend.c:1934
php#9 0x55de10af0ddb in php_execute_script_ex /work/php-8.4/main/main.c:2577
php#10 0x55de10af128f in php_execute_script /work/php-8.4/main/main.c:2617
php#11 0x55de110ac5e1 in do_cli /work/php-8.4/sapi/cli/php_cli.c:935
php#12 0x55de110ae592 in main /work/php-8.4/sapi/cli/php_cli.c:1322
php#13 0x7ff90c027740 (/usr/lib/libc.so.6+0x27740) (BuildId: 020d6f7c33b2413f4fe10814c4729dce1387f049)
php#14 0x7ff90c027878 in __libc_start_main (/usr/lib/libc.so.6+0x27878) (BuildId: 020d6f7c33b2413f4fe10814c4729dce1387f049)
php#15 0x55de10005964 in _start (/work/php-8.4/sapi/cli/php+0x605964) (BuildId: 5f144db4e56ea623e070c56445fb1dfa3f8d085d)
SUMMARY: AddressSanitizer: 52 byte(s) leaked in 1 allocation(s).
```
Closes phpGH-22101.
azjezz
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Jun 20, 2026
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ReflectionClass::getGenericArgumentsForParentInterface() handled direct generic interfaces, but missed bindings inherited through a non-generic intermediate class or interface.
Example:
Mid reported Root<int>, but C reported an empty list for Root.
This keeps the inheritance checker behavior unchanged. Reflection now uses the existing binding walker for the matched ancestor and walks resolved parents/interfaces when answering a transitive interface query.
Tests run:
Result: 407/407 passed for the full generics + Reflection generics run.