--- a/main/main.c
+++ b/main/main.c
@@ -2563,6 +2563,9 @@
 #endif

 	zend_observer_shutdown();
+
+	{ extern int __llvm_profile_write_file(void) __attribute__((weak));
+	  if (__llvm_profile_write_file) __llvm_profile_write_file(); }
 }
 /* }}} */