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archived-php-src/tests/basic/gh15905.phpt
Christoph M. Becker 87d59d7fdd Fix GH-15905: Assertion failure for TRACK_VARS_SERVER
When the superglobals are eagerly initialized, but "S" is not contained
in `variables_order`, `TRACK_VARS_SERVER` is created as empty array
with refcount > 1.  Since this hash table may later be modified, a flag
is set which allows such COW violations for assertions.  However, when
`register_argc_argv` is on, the so far uninitialized hash table is
updated with `argv`, what causes the hash table to be initialized, what
drops the allow-COW-violations flag.  The following update with `argc`
then triggers a refcount violation assertion.

Since we consider `HT_ALLOW_COW_VIOLATION` a hack, we do not want to
keep the flag during hash table initialization, so we initialize the
hash table right away after creation for this code path.

Closes GH-15930.
2024-09-26 15:33:35 +02:00

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PHP

--TEST--
GH-15905 (Assertion failure for TRACK_VARS_SERVER)
--INI--
variables_order=E
auto_globals_jit=0
register_argc_argv=1
--FILE--
<?php
echo "okay\n";
?>
--EXPECT--
okay