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219 commits

Author SHA1 Message Date
Dmitry Stogov
689c6fb188 Replace ZEND_ACC_ANON_BOUND, ZEND_ACC_UNRESOLVED_PARENT and ZEND_ACC_UNRESOLVED_INTERFACES with single ZEND_ACC_LINKED. 2018-09-18 11:41:40 +03:00
Dmitry Stogov
6136a20544 ZEND_DECLARE_CLASS, ZEND_DECLARE_INHERITED_CLASS and ZEND_DECLARE_INHERITED_CLASS_DELAYED don't need return value anymore. 2018-08-24 15:40:53 +03:00
Dmitry Stogov
8050f4a334 Keep information about unresolved parent class in zend_class_entry->parent_name 2018-08-24 00:20:57 +03:00
Dmitry Stogov
b8828926f2 Avoid hash lookups in BIND_STATIC and BIND_LEXICAL opcode handlers. 
Encode static variable offset into opline->extended_value.
 2018-08-20 16:10:09 +03:00
Dmitry Stogov
57af94c8b9 Partial revert of 30156d588c 2018-07-02 20:54:44 +03:00
Rudi Theunissen
30156d588c Fixed bug #63217 
Don't automatically convert literal string keys to integers on
array access, as we may be dealing with an ArrayAccess object,
rather than a plain array.
 2018-07-02 16:41:59 +02:00
Nikita Popov
5d7be2c2bc Merge branch 'PHP-7.2' 2018-06-30 19:50:56 +02:00
Nikita Popov
34deda13a8 Merge branch 'PHP-7.1' into PHP-7.2 2018-06-30 19:50:40 +02:00
Nikita Popov
2eb6a541a9 Fix typo in compound dim assign op inference 
Thankfully a harmless one, just makes inference results worse.
 2018-06-30 19:50:07 +02:00
Dmitry Stogov
1b80de93b8 Cleanup conditions 2018-06-26 16:18:30 +03:00
Dmitry Stogov
54f171cdc0 Restored zend_array_element_type() prototype 2018-06-26 11:23:37 +03:00
Nikita Popov
102bcb5c05 Update array_element_type inference for previous change 
LIST_R and DIM_IS return value can't be MAY_BE_REF anymore.
 2018-06-25 14:27:02 +02:00
Nikita Popov
490a49d0bb Use COPY_DEREF for DIM_IS and LIST_R as well 
Also add an upgrading note for the behavior change, not that we
expect anyone to be affected...
 2018-06-25 14:23:06 +02:00
Dmitry Stogov
7793bc8ee6 Improved type inference. Result of opcodes using ZVAL_COPY_DEREF can't be MAY_BE_REF. 2018-06-25 13:07:44 +03:00
Nikita Popov
61d00a6cf3
Use COPY_DEREF instead of COPY_UNREF 
This fixes the behavior when the storage location of the fetch is
modified before the operand is dereferenced by the using VM opcode.

Furthermore it elimiates references as a possible return value from
*_R opcodes, which will give us more opportunities for inferences,
in particular in regard to typed properties.
 2018-06-25 11:23:59 +02:00
Xinchen Hui
1cc9933130 Fixed bug #76463 (var has array key type but not value type) 2018-06-12 20:55:06 +08:00
Dmitry Stogov
5eb1f92f31 Use zend_string_release_ex() instread of zend_string_release() in places, where we sure about string persistence. 2018-05-28 16:27:12 +03:00
Dmitry Stogov
9e1e284d48 Merge branch 'PHP-7.2' 
* PHP-7.2:
  Revert "More accurate symbolic constraints oferflow/unserflow handling (better fix for bug #76074)."
 2018-03-13 11:04:03 +03:00
Dmitry Stogov
5574562f8f Merge branch 'PHP-7.1' into PHP-7.2 
* PHP-7.1:
  Revert "More accurate symbolic constraints oferflow/unserflow handling (better fix for bug #76074)."
 2018-03-13 11:03:57 +03:00
Dmitry Stogov
0643c7ab4d Revert "More accurate symbolic constraints oferflow/unserflow handling (better fix for bug #76074)." 
This reverts commit 44ba557de5.
 2018-03-13 11:03:45 +03:00
Dmitry Stogov
1c3796b751 Merge branch 'PHP-7.2' 
* PHP-7.2:
  More accurate symbolic constraints oferflow/unserflow handling (better fix for bug #76074).
 2018-03-13 10:47:11 +03:00
Dmitry Stogov
575f5002c0 Merge branch 'PHP-7.1' into PHP-7.2 
* PHP-7.1:
  More accurate symbolic constraints oferflow/unserflow handling (better fix for bug #76074).
 2018-03-13 10:45:53 +03:00
Dmitry Stogov
44ba557de5 More accurate symbolic constraints oferflow/unserflow handling (better fix for bug #76074). 2018-03-13 10:44:53 +03:00
Bob Weinand
827dff310b Merge branch 'PHP-7.2' 2018-03-10 15:29:21 +01:00
Bob Weinand
cfd0979be5 Merge branch 'PHP-7.1' into PHP-7.2 2018-03-10 15:21:16 +01:00
Bob Weinand
9c6df8a238 Fix bug #76074 (opcache corrupts variable in for-loop) 2018-03-10 15:20:45 +01:00
Nikita Popov
df1439241a Simplify code 
If operator overloading is ignored tmp will be 0 and we can still
use |=. No need to separate this into two cases.
 2018-02-19 21:38:10 +01:00
Dmitry Stogov
a02a126d54 Allow optional ignorance of operator overlaoding. Optimizer takes into account possibility of operator overloading at default optimization level, but ignores this possibility at "unsafe" level (opcache.optimization_level=-1). 2018-02-19 12:21:43 +03:00
Nikita Popov
48c0662876 Merge branch 'PHP-7.2' 2018-02-18 17:43:08 +01:00
Nikita Popov
c0abab5fca Fix ZEND_SL range inference 
This is a bit tricker than right shifts because shifting in the
sign bit flips the sign. The computed bounds are not tight.
 2018-02-18 17:42:12 +01:00
Nikita Popov
202989edf8 Fix ZEND_SR range inference 
Handle out-of-range RHS correctly.
 2018-02-18 17:42:12 +01:00
Nikita Popov
85597e2932 Merge branch 'PHP-7.2' 2018-02-18 15:34:04 +01:00
Nikita Popov
ae837db8cf Handle overloaded GMP operators in type inference 2018-02-18 15:33:30 +01:00
Nikita Popov
39974dd65d Disable negative range inference 
The negative range inference implementation does not work correctly,
and it's not clear right now how it can be fixed. As such, disable
it entirely for now.
 2018-02-18 15:33:28 +01:00
Nikita Popov
2cd40b3aed Merge branch 'PHP-7.2' 2018-02-17 23:21:31 +01:00
Nikita Popov
846e8a3ec9 Fix COUNT range inference 
count() on objects may return a negative number :(
 2018-02-17 23:18:30 +01:00
Nikita Popov
1a50a50bcf Add RC flags in init_func_return_info 2018-02-17 23:18:29 +01:00
Nikita Popov
d05ac8f610 Merge branch 'PHP-7.2' 2018-02-09 15:11:42 +01:00
Nikita Popov
7aac61ce76 Fixed bug #75938 
New modulus range inference implementation has been verified using
https://gist.github.com/nikic/67947ff92cf0e1f7e931f2f0d4cf817f.

The computed bounds are not tight, but it seems to be very hard to
compute tight bounds on modulus operations.
 2018-02-09 15:10:23 +01:00
Gabriel Caruso
2d48d734a2 Fix some misspellings 2018-02-06 16:59:00 +01:00
Nikita Popov
39c5857135 Merge branch 'PHP-7.2' 2018-02-05 21:43:50 +01:00
Nikita Popov
1391a0fa0b Fixed bug #75893 
It is not sufficient to just add the additional types for aliased
variables at the end of type inference, because types of derived
variables may depend on them. Make sure the additional types are
always added whenever the type of an aliased variable is updated.
 2018-02-05 21:41:44 +01:00
Dmitry Stogov
3a794d39f0 Avoid repeatable ARG_SHOULD_BE_SENT_BY_REF() checks in FETCH_*FUNC_ARG and following SEND_VAR_EX. Perform the check once in a new CHECK_FUNC_ARG opcode and reuse in the following FETCH_*FUNC_ARG and SEND_FUNC_ARG (SEND_VAR_EX replacement). 2018-02-05 19:40:06 +03:00
Dmitry Stogov
f67f455ef7 Changed FETCH_CLASS instruction format (extended_value moved into op1) 2018-01-31 18:14:43 +03:00
Nikita Popov
f208187773 Backport narrowing fix to 7.1 
This is a cherry-pick of 8a4532319d.
 2018-01-09 18:41:46 +01:00
Gabriel Caruso
6400264856 Trailing whitespaces 
Signed-off-by: Gabriel Caruso <carusogabriel34@gmail.com>
 2018-01-03 14:38:00 +01:00
Xinchen Hui
a6519d0514 year++ 2018-01-02 12:57:58 +08:00
Xinchen Hui
7a7ec01a49 year++ 2018-01-02 12:55:14 +08:00
Xinchen Hui
ccd4716ec7 year++ 2018-01-02 12:53:31 +08:00
Xinchen Hui
4deb63dc5a Merge branch 'PHP-7.2' 
* PHP-7.2:
  Updated NEWS
 2017-12-17 09:42:18 +08:00