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524 Commits

Author SHA1 Message Date
Dmitry Stogov
e92a18dcd5 Fixed referencecounter inference rules 
(cherry picked from commit 6046a99b97)
 2016-10-14 01:24:46 +02:00
Dmitry Stogov
233992409b Fixed referencecounter inference rules 
(cherry picked from commit fae7d6b9bb)
 2016-10-14 01:24:23 +02:00
Dmitry Stogov
3760bc5407 Removed deprecated flag 2016-10-10 11:48:29 +03:00
Dmitry Stogov
771600ee6b Fixed information about possible return value 2016-10-10 11:46:43 +03:00
Dmitry Stogov
b2d53e47ed Updated reference-counting inferece rules. 
The previous rules refected PHP-5 behavior and were completely wrong for PHP-7. (e.g. scalars don't have reference counters at all).
This change shouldn't affect anything, because results of this inference are not used yet.
 2016-10-06 11:08:01 +03:00
Dmitry Stogov
c218c4f01e Special handling for $php_errormsg and $http_response_header. 2016-09-30 02:41:08 +03:00
Nikita Popov
c7651c2396 Fix a couple of ASSIGN_DIM/OBJ inference bugs 
Account for possible null return values better.
 2016-09-24 22:43:27 +02:00
Nikita Popov
db801763e4 Add range inference for ZEND_STRLEN 
On 32-bit systems we conservatively allow negative lengths.
On 64-bit systems, the range could additionally be restricted to
the canonical 48-bit size.
 2016-09-24 22:43:27 +02:00
Dmitry Stogov
846441ab4b Prevent optimization of huge functions. 2016-09-16 14:03:05 +03:00
Xinchen Hui
a90e438af3 Merge branch 'PHP-7.1' of git.php.net:/php-src into PHP-7.1 
* 'PHP-7.1' of git.php.net:/php-src:
  Don't optimize (string) cast on arrays
 2016-09-09 22:40:53 +08:00
Xinchen Hui
2a3b75a0eb Fixed function info 2016-09-09 22:40:08 +08:00
Nikita Popov
1d4b831d63 Merge branch 'PHP-7.0' into PHP-7.1 2016-09-09 16:38:42 +02:00
Nikita Popov
e3c08de08a Don't optimize (string) cast on arrays 
Otherwise we throw a notice during pass1_5 optimization.
 2016-09-09 16:38:26 +02:00
Nikita Popov
766264f8d2 Merge branch 'PHP-7.0' into PHP-7.1 2016-09-09 16:02:59 +02:00
Nikita Popov
bbcf77c309 Fix some block_pass bugs 2016-09-09 15:58:36 +02:00
Dmitry Stogov
6aa07c9083 Fixed type inference bug 2016-09-07 11:36:14 +03:00
Dmitry Stogov
94fbcbe172 Allow optional splitting of basic blocks at RECV/RECV_INIT opcodes. 2016-08-29 20:35:17 +03:00
Dmitry Stogov
b5bab0fce8 Merge branch 'PHP-7.0' into PHP-7.1 
* PHP-7.0:
  Fixed bug #72944 (Null pointer deref in zval_delref_p).
 2016-08-29 12:07:54 +03:00
Dmitry Stogov
b66039db33 Fixed bug #72944 (Null pointer deref in zval_delref_p). 2016-08-29 12:02:50 +03:00
Dmitry Stogov
129e8dadf4 op_arrays may be optimized independetly and "script" might be NULL 2016-08-23 13:17:53 +03:00
Dmitry Stogov
76707dc204 Don't keep dangling pointers. 2016-08-23 12:58:46 +03:00
Dmitry Stogov
caf890b291 Fixed CFG construction for stackless execution (split basic blocks after calls) 2016-08-22 16:48:26 +03:00
Xinchen Hui
66a527b8c1 Fixed segfault introduced in 447e57a1e1 2016-08-18 15:37:39 +08:00
Kalle Sommer Nielsen
447e57a1e1 Fixed 7.1 build, decls first please! 2016-08-17 20:26:32 +02:00
Nikita Popov
1a780e6727 Add assertion to prevent type narrowing 
Currently type narrowing is always a bug, make sure we know about
it.
 2016-08-05 16:30:57 +02:00
Nikita Popov
fc7c81ff54 Fixed bug #72762 2016-08-05 16:27:55 +02:00
Nikita Popov
42260325a4 Fix optimization of $i = $i++ 2016-07-17 22:47:49 +02:00
Dmitry Stogov
0da7c08e39 Prevent wrong optimization 2016-07-13 15:05:11 +03:00
Nikita Popov
5f6effed43 Add opcodes to zend_wrong_string_offset() 2016-07-10 15:15:34 +02:00
Aaron Piotrowski
d9a9cf8eca Merge branch 'master' into iterable 2016-07-03 22:42:10 -05:00
Dmitry Stogov
acdafc0a27 Prevent inlining through call_user_func() and call_user_func_array() 2016-07-01 00:16:54 +03:00
Dmitry Stogov
f2e4fc307b Fixed ext/opcache/tests/bug70207.phpt 2016-06-30 21:50:57 +03:00
Dmitry Stogov
1a14533806 Introduce new CHECK_VAR instruction to keep warnings about undefined variables. 2016-06-30 21:40:34 +03:00
Dmitry Stogov
3a45242669 Disable inlining for $this->foo(), because $this may be not in object context 2016-06-30 21:05:48 +03:00
Dmitry Stogov
c3667a5eed Disable inlining for $this->foo(), because $this may be used not in object context 2016-06-30 21:03:08 +03:00
Dmitry Stogov
5ae07dc34a Fixed incorrect constant propagation 2016-06-30 20:48:16 +03:00
Nikita Popov
6f8273e3bf Fix RT_CONSTANT_EX typo 2016-06-30 17:42:57 +02:00
Dmitry Stogov
d898344663 Inline simple constant functions 2016-06-30 17:04:25 +03:00
Dmitry Stogov
871cd76af4 clanup 2016-06-29 17:53:39 +03:00
Nikita Popov
2710ce22a0 Remove assert for now 2016-06-28 18:47:29 +02:00
Nikita Popov
cdd58edf42 More type inferences fixes 2016-06-28 11:49:50 +02:00
Dmitry Stogov
1433162083 Fixed compilation warnings 2016-06-21 20:12:29 +03:00
Nikita Popov
a171522983 Exception safety for direct CV assign of *CALL instrs 
Converting T = *CALL; ASSIGN $v, T into $v = *CALL may not be
safe if an exception is thrown after the return value has been
populated -- in this case the value might be destroyed twice.
 2016-06-18 00:08:38 +02:00
Nikita Popov
811dfba4bf More type inference fixes 2016-06-16 14:25:48 +02:00
Dmitry Stogov
ff363e2e7c Implemented RFC: Replace "Missing argument" warning with "Too few arguments" exception 
Squashed commit of the following:

commit 8b45fa2acb
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Thu Jun 16 01:52:50 2016 +0300

    Separate slow path of ZEND_RECV into a cold function.

commit 9e18895ee5
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Wed Jun 15 23:26:28 2016 +0300

    Required argument can't be IS_UNDEF anymore.

commit 662db66e39
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue May 31 17:14:50 2016 +0300

    Replace "Missing argument" warning by "Too few arguments" exception.
 2016-06-16 02:32:02 +03:00
Dmitry Stogov
a9512af810 Implemented RFC: Fix inconsistent behavior of $this variable 
Squashed commit of the following:

commit bdd3b6895c
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Thu Jun 16 00:19:42 2016 +0300

    Fixed GOTO VM

commit 2f1d7c8b89
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Wed Jun 15 21:01:57 2016 +0300

    Removed unused variable

commit cf749c42b0
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Wed Jun 15 19:06:16 2016 +0300

    Protection from $this reassign through mb_parse_str()

commit 59a9a6c83c
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Wed Jun 15 18:14:50 2016 +0300

    Added type inference rule for FETCH_THIS opcode

commit 73f8d14a85
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Wed Jun 15 18:11:18 2016 +0300

    Restored PHP-7 behavior of isset($this->foo).
    It throws exception if not in object context.
    Removed useless opcode handlers.

commit fa0881381e
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue May 31 12:25:47 2016 +0300

    Changed "Notice: Undefined variable: this" into "Exception: Using $this when not in object context".

commit e32cc528c0
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue May 24 02:02:43 2016 +0300

    Throw exception on attempt to re-assign $this through extract() and parse_str().

commit 41f1531b52
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon May 23 22:18:36 2016 +0300

    Fixed inconsistent $this behavior
 2016-06-16 02:30:23 +03:00
Nikita Popov
fba6f90ae3 Fix type inference bugs 
* Add proper array_key_any|array_of_any|array_of_ref in some more
  places
* strlen() on objects may be null
* IS fetch on string dim may be null
 2016-06-15 22:52:48 +02:00
Dmitry Stogov
d12987256a Fixed mistakes in type inference rules. 2016-06-15 23:04:17 +03:00
Nikita Popov
046889518d Add support for "instanceof" pi nodes 2016-06-13 19:03:59 +02:00
Nikita Popov
9877d8f019 Use union for pi constraints 
This will make it easier to extend pi constraints without impacting
structure sizes.
 2016-06-13 19:03:57 +02:00