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359ad80c4a
zend_runtime_jit() prevents concurrent compilation with zend_shared_alloc_lock(), but this doesn't prevent blocked threads from trying to compile the function again after they acquire the lock. In the case of GH-19889, one of the function entries is compiled with zend_jit_handler(), which fails when the op handler has already been replaced by a JIT'ed handler. Fix by marking compiled functions with a new flag ZEND_FUNC_JITED, and skipping compilation of marked functions. The same fix is applied to zend_jit_hot_func(). Fixes GH-19889 Closes GH-19971