<?phpvar_dump(1.5);

$ php -d zend_extension=opcache.so -d opcache.enable_cli=1 -d opcache.preload=$(pwd)/preload.php -r ''float(1.5)===================================================================34672==ERROR: LeakSanitizer: detected memory leaksDirect leak of 44 byte(s) in 1 object(s) allocated from:    #0 0xffff94f4b8c0 in malloc (/usr/lib/llvm-17/lib/clang/17/lib/linux/libclang_rt.asan-aarch64.so+0x10a8c0) (BuildId: 5edc5baee74137099dd7cbd6e2b27e95530fd7e2)    #1 0xaaaad35a2c20 in Balloc /usr/local/src/php/Zend/zend_strtod.c:591:18    #2 0xaaaad35a48d0 in lshift /usr/local/src/php/Zend/zend_strtod.c:1026:7    #3 0xaaaad35aa5c0 in zend_dtoa /usr/local/src/php/Zend/zend_strtod.c:4203:7    #4 0xaaaad35ad224 in zend_gcvt /usr/local/src/php/Zend/zend_strtod.c:4516:11    #5 0xaaaad2c9c754 in xbuf_format_converter /usr/local/src/php/main/spprintf.c:654:10    #6 0xaaaad2c96054 in php_printf_to_smart_string /usr/local/src/php/main/spprintf.c:778:2    #7 0xaaaad35ca1fc in zend_vspprintf /usr/local/src/php/Zend/zend.c:293:2    #8 0xaaaad2c23790 in php_printf_unchecked /usr/local/src/php/main/main.c:964:9    #9 0xaaaad28140d8 in php_var_dump /usr/local/src/php/ext/standard/var.c:132:4    #10 0xaaaad2816a48 in zif_var_dump /usr/local/src/php/ext/standard/var.c:245:3    #11 0xaaaad3277030 in ZEND_DO_ICALL_SPEC_RETVAL_UNUSED_HANDLER /usr/local/src/php/Zend/zend_vm_execute.h:1287:2    #12 0xaaaad30ace60 in execute_ex /usr/local/src/php/Zend/zend_vm_execute.h:58554:7    #13 0xaaaad30adde8 in zend_execute /usr/local/src/php/Zend/zend_vm_execute.h:64206:2    #14 0xffff8df97a30 in accel_preload /usr/local/src/php/ext/opcache/ZendAccelerator.c:4392:4    #15 0xffff8df95308 in accel_finish_startup_preload /usr/local/src/php/ext/opcache/ZendAccelerator.c:4658:7    #16 0xffff8df88674 in accel_finish_startup /usr/local/src/php/ext/opcache/ZendAccelerator.c:4803:10    #17 0xffff8df82924 in accel_post_startup /usr/local/src/php/ext/opcache/ZendAccelerator.c:3355:6    #18 0xaaaad35d0860 in zend_post_startup /usr/local/src/php/Zend/zend.c:1103:7    #19 0xaaaad2c2ca5c in php_module_startup /usr/local/src/php/main/main.c:2323:6    #20 0xaaaad35e7924 in php_cli_startup /usr/local/src/php/sapi/cli/php_cli.c:397:9    #21 0xaaaad35e1bc4 in main /usr/local/src/php/sapi/cli/php_cli.c:1277:6    #22 0xffff91fdcda0 in __libc_start_main /build/reproducible-path/glibc-2.28/csu/../csu/libc-start.c:308:16// multiple further leaks at a very similar location