Re: com php-src: Fix bug #67436: Zend/zend_compile.c
| From: | Bob Weinand | Date: | Sun, 15 Jun 2014 23:40:34 +0000 |
| Subject: | Re: com php-src: Fix bug #67436: Zend/zend_compile.c | ||
| References: | 1 2 3 4 5 6 | Groups: | php.cvs |
| Request: | Send a blank email to php-cvs+get-78899@lists.php.net to get a copy of this message | ||
Am 16.6.2014 um 01:29 schrieb Ferenc Kovacs <tyra3l@gmail.com>:
> On Mon, Jun 16, 2014 at 1:25 AM, Bob Weinand <bobwei9@hotmail.com> wrote:
> Am 16.6.2014 um 01:21 schrieb Ferenc Kovacs <tyra3l@gmail.com>:
>
>> On Mon, Jun 16, 2014 at 12:27 AM, Bob Weinand <bobwei9@hotmail.com> wrote:
>> Am 16.6.2014 um 00:11 schrieb Stas Malyshev <smalyshev@sugarcrm.com>:
>> > Hi!
>> >
>> >> Commit: ca29063da5599f463454578abe629bc21ab33b3b
>> >> Author: Bob Weinand <bobwei9@hotmail.com> Sun, 15 Jun 2014
>> >> 22:18:25 +0200
>> >> Parents: b053c4f4f6db57c7687e700de7aa4abadef2c128
>> >> Branches: PHP-5.4
>> >>
>> >> Link:
>> >> http://git.php.net/?p=php-src.git;a=commitdiff;h=ca29063da5599f463454578abe629bc21ab33b3b
>> >>
>> >> Log:
>> >> Fix bug #67436
>> >>
>> >> Bugs:
>> >> https://bugs.php.net/67436
>> >
>> > Could you please explain this fix? The bug is about autoloader, but the
>> > fix seems nothing to do with it. Also, adding a test case would be
>> > really good, bugfixes without test cases tend to regress later.
>> >
>> > --
>> > Stanislav Malyshev, Software Architect
>> > SugarCRM: http://www.sugarcrm.com/
>> > (408)454-6900 ext. 227
>>
>> Levi wanted to provide some tests. I'm sure they're ready in a few minutes....
>>
>> And yes, bit complicated.
>>
>> The issue is that we cannot invoke the autoloader during compile time (where early binding
>> is done, when class "a" was loaded before). (That's all what it had to do with
>> autoloaders)
>> And so the class "c" (in that example) is not defined.
>>
>> In this case the class "c" was (tried to be) fetched by this
>> zval_update_constant_ex which was invoked there by zend_get_function_declaration called by
>> do_inheritance_check_on_method as the function signatures didn't match (E_STRICT error).
>>
>> So, as the autoloader couldn't be invoked (compile-time...), but the class constant
>> was tried to be resolved, we ended up with a fatal error instead of the notice.
>>
>> Logical fix: don't try to resolve the class constant, but just write the constants
>> name there. (which is maybe even more informative to the user than the value)
>>
>>
>> Bob
>>
>> hm,
>> I thought this was fixed with
>> http://git.php.net/?p=php-src.git;a=commit;h=f0c926564c5f7de9462d9ca7bd75014b14a63f56
>>
>> --
>> Ferenc Kovács
>> @Tyr43l - http://tyrael.hu
>
> Nope, that was some totally unrelated bug.
>
> That bug occurred during an error handler at run-time, this bug here during compile-time.
>
> Bob
>
> did you read https://bugs.php.net/bug.php?id=65322 ?
> it was caused by a compile time error triggered by mismatching class definition, and that the
> error handler called for that won't be able to trigger the autloader (we also tracked it back
> to the "if (!use_autoload || zend_is_compiling(TSRMLS_C)) {" check).
> maybe I'm missing something but this seems like the exact case here.
>
> --
> Ferenc Kovács
> @Tyr43l - http://tyrael.hu
No. Still two different things. Bug 65322 is caused inside the error handler, inside zend_error (the
error was that compilation mode wasn't turned off) while bug 67436 happens during compilation
time, before zend_error is reached.
Bob