Description:
------------
=38807==ERROR: AddressSanitizer: negative-size-param: (size=-2147483648)
    #0 0x1107632f2 in printf_common(void*, char const*, __va_list_tag*) (libclang_rt.asan_osx_dynamic.dylib+0x1b2f2)
    #1 0x110763c5b in wrap_vsprintf (libclang_rt.asan_osx_dynamic.dylib+0x1bc5b)
    #2 0x110764956 in wrap_sprintf (libclang_rt.asan_osx_dynamic.dylib+0x1c956)
    #3 0x10f89206f in zend_compile_stmt zend_compile.c:7785
    #4 0x10f8a9a86 in zend_compile_top_stmt zend_compile.c:7691
    #5 0x10f8a9a51 in zend_compile_top_stmt zend_compile.c:7686
    #6 0x10f816a14 in zend_compile zend_language_scanner.l:600
    #7 0x10f818713 in compile_string zend_language_scanner.l:765
    #8 0x10fbb90be in zend_include_or_eval zend_execute.c:2857

Test script:
---------------
 <?php
ini_set('memory_limit', '-1');
$newClassName = str_repeat("a", 2147483647);

eval("class $newClassName {
    function hello() {
        return \"Hello\";
    }
};");
 ?>