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3324 Commits

Author SHA1 Message Date
danno@chromium.org
6db4bc2f4d Force small array literals to have FAST_ELEMENTs 
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/11414139

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13042 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-23 13:23:39 +00:00
yangguo@chromium.org
bebf37799e Fix JSON.stringify for objects with interceptor handlers. 
BUG=161028

Review URL: https://chromiumcodereview.appspot.com/11348209

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13041 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-23 12:32:24 +00:00
mmassi@chromium.org
a0582112f8 Revert r13025 and r13026 (they introduced a bug on arm and regressed octane crypto). 
BUG=

Review URL: https://chromiumcodereview.appspot.com/11316151

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13039 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-23 10:53:03 +00:00
rossberg@chromium.org
07481867a1 Object.observe: More tests for accessor reconfiguration. 
R=adamk@chromium.org,rafaelw@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11280118

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13035 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-22 10:31:42 +00:00
rossberg@chromium.org
ce05280bfc Get rid of static module allocation, do it in code. 
Modules now have their own local scope, represented by their own context.
Module instance objects have an accessor for every export that forwards
access to the respective slot from the module's context. (Exports that are
modules themselves, however, are simple data properties.)

All modules have a _hosting_ scope/context, which (currently) is the
(innermost) enclosing global scope. To deal with recursion, nested modules
are hosted by the same scope as global ones.

For every (global or nested) module literal, the hosting context has an
internal slot that points directly to the respective module context. This
enables quick access to (statically resolved) module members by 2-dimensional
access through the hosting context. For example,

  module A {
    let x;
    module B { let y; }
  }
  module C { let z; }

allocates contexts as follows:

[header| .A | .B | .C | A | C ]  (global)
          |    |    |
          |    |    +-- [header| z ]  (module)
          |    |
          |    +------- [header| y ]  (module)
          |
          +------------ [header| x | B ]  (module)

Here, .A, .B, .C are the internal slots pointing to the hosted module
contexts, whereas A, B, C hold the actual instance objects (note that every
module context also points to the respective instance object through its
extension slot in the header).

To deal with arbitrary recursion and aliases between modules,
they are created and initialized in several stages. Each stage applies to
all modules in the hosting global scope, including nested ones.

1. Allocate: for each module _literal_, allocate the module contexts and
   respective instance object and wire them up. This happens in the
   PushModuleContext runtime function, as generated by AllocateModules
   (invoked by VisitDeclarations in the hosting scope).

2. Bind: for each module _declaration_ (i.e. literals as well as aliases),
   assign the respective instance object to respective local variables. This
   happens in VisitModuleDeclaration, and uses the instance objects created
   in the previous stage.
   For each module _literal_, this phase also constructs a module descriptor
   for the next stage. This happens in VisitModuleLiteral.

3. Populate: invoke the DeclareModules runtime function to populate each
   _instance_ object with accessors for it exports. This is generated by
   DeclareModules (invoked by VisitDeclarations in the hosting scope again),
   and uses the descriptors generated in the previous stage.

4. Initialize: execute the module bodies (and other code) in sequence. This
   happens by the separate statements generated for module bodies. To reenter
   the module scopes properly, the parser inserted ModuleStatements.

R=mstarzinger@chromium.org,svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11093074

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13033 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-22 10:25:22 +00:00
svenpanne@chromium.org
f275b36299 Reduced TLS accesses even further. 
Thread the Isolate through FindCodeInCache, FindCodeInSpecialCache and
SetProperty. Reduced the number of TLS accesses while running the Octane
benchmark down to 19% compared to the beginning of the cleanups.

Review URL: https://codereview.chromium.org/11411033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13030 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-22 07:58:59 +00:00
rossberg@chromium.org
4751776dce Object.observe: Unblacklist some tests involving indexed properties 
These were erroneously disabled because they were expecting indexed properties to be of Number type when appearing as the "name" in change records. But the "name" property will always be a string. Fixed assertRecordsEqual() to enforce this in expectations.

BUG=v8:2409

Review URL: https://codereview.chromium.org/11280105
Patch from Adam Klein <adamk@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13027 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-21 12:50:49 +00:00
mmassi@chromium.org
5e7f30a596 Use the property load IC for accessing the array length. 
BUG=

Review URL: https://chromiumcodereview.appspot.com/11299004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13025 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-21 11:49:15 +00:00
yangguo@chromium.org
36f5b6d41f Rename IsAsciiRepresentation 
This is a straight rename:

IsAsciiRepresentation -> IsOneByteRepresentation
IsAsciiRepresentationUnderneath -> IsOneByteRepresentationUnderneath
AllocateRawAsciiString -> AllocateRawOneByteString
AllocateStringFromAscii -> AllocateStringFromOneByte

R=yangguo@chromium.org,
BUG=

Review URL: https://chromiumcodereview.appspot.com/11308066
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13023 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-21 10:01:05 +00:00
yangguo@chromium.org
89bc2eb93f Actually relax test expectations for known failing test. 
This corrects r13011.

R=mstarzinger@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11415093

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13020 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-21 09:32:06 +00:00
jkummerow@chromium.org
a956594fc2 Fix corner case in x64 compare stubs. 
BUG=v8:2416

Review URL: https://codereview.chromium.org/11413087

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13019 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-20 15:57:10 +00:00
rossberg@chromium.org
6add3222ed Object.observe: Add test case covering most special cases. 
Things not working yet are currently blacklisted in the test (see TODOs).

R=verwaest@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11377157

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13016 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-20 14:45:21 +00:00
yangguo@chromium.org
bfbca55d02 Relax test expectations for known failing test. 
BUG=

Review URL: https://chromiumcodereview.appspot.com/11299100

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13011 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-20 12:31:41 +00:00
mstarzinger@chromium.org
f5cff7d91c Make test-dictionary work for GC stress builder. 
R=yangguo@chromium.org
TEST=cctest/test-dictionary

Review URL: https://codereview.chromium.org/11299098

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13010 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-20 10:47:31 +00:00
rossberg@chromium.org
1570d62721 Object.observe/unobserve now return object 
BUG=v8:2418

Review URL: https://codereview.chromium.org/11419078
Patch from Rafael Weinstein <rafaelw@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13009 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-20 10:38:14 +00:00
verwaest@chromium.org
08cfda49f2 Ensure CopyElementsImpl is always executed so it fills in holes even if from_size is 0. Allow FixedDoubleArray::cast to also support FixedArray with size 0. 
Review URL: https://chromiumcodereview.appspot.com/11280054

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13000 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-19 15:00:34 +00:00
yangguo@chromium.org
d2a6e7b40d Fix test failures. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11414030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12992 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 14:24:19 +00:00
rossberg@chromium.org
8d79ff46d0 Clean-up refactoring to eliminate GetLocalElementKind. 
Eliminates substantial amounts of fragile code duplication and special casing.

Also fixes "a".propertyIsEnumerable(0) to correctly return true.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11420011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12990 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 13:28:34 +00:00
mstarzinger@chromium.org
3d1582c474 Fix Array.prototype.join evaluation order. 
R=yangguo@chromium.org
BUG=v8:2263
TEST=mjsunit/regress/regress-2263

Review URL: https://codereview.chromium.org/11280025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12989 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 12:45:23 +00:00
yangguo@chromium.org
af6f7742e0 Fix test failures. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11299033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12988 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 11:58:21 +00:00
mstarzinger@chromium.org
30c82d59c8 Make PrototypeTransitionClearing work with GC interval. 
R=verwaest@chromium.org
TEST=cctest/test-heap/PrototypeTransitionClearing

Review URL: https://codereview.chromium.org/11411031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12987 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 11:39:32 +00:00
yangguo@chromium.org
63f109aaa5 Introduce helper functions to test parallel recompilation. 
BUG=

Review URL: https://chromiumcodereview.appspot.com/11419012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12986 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 10:57:50 +00:00
jkummerow@chromium.org
7f824867f6 Perform CPU sampling by CPU sampling thread only iff processing thread is not running. 
- perform CPU profiler sampling in the sampler thread as we used to;
- skip sampling in the sampling thread if processing thread is running;
- only install SIGPROF handler when CPU profiling is enabled.

BUG=v8:2364

Review URL: https://codereview.chromium.org/11231002
Patch from Sergey Rogulenko <rogulenko@google.com> and Andrey Kosyakov <caseq@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12985 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 10:38:10 +00:00
mstarzinger@chromium.org
b6c9bdaa9e Disable InstanceOfStubWriteBarrier in some cases. 
This disables the above regression test when run with forced marking
deque overflows (which is implicitly enabled by --stress-compaction).

R=verwaest@chromium.org
TEST=cctest/test-heap/InstanceOfStubWriteBarrier

Review URL: https://codereview.chromium.org/11417026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12984 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 10:33:57 +00:00
rossberg@chromium.org
2e76922c79 Object.observe: Use [[DefineOwnProperty]] to create properties of changeRecord. 
Note: The test here requires https://codereview.chromium.org/11364237/ to land in order to pass because Object.freeze calls Object.getOwnPropertyNames().

BUG=v8:2411

Review URL: https://codereview.chromium.org/11377171
Patch from Rafael Weinstein <rafaelw@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12983 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 09:35:27 +00:00
rossberg@chromium.org
af824eab8f When using an Object as a set in Object.getOwnPropertyNames, null out the proto 
Also apply the same fix elsewhere in v8natives.js

BUG=v8:2410

Review URL: https://codereview.chromium.org/11364237
Patch from Adam Klein <adamk@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12982 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 09:32:39 +00:00
yangguo@chromium.org
3699616609 Rename SeqAsciiString 
This is a straight rename:

NewRawAsciiString -> NewRawOneByteString
SeqAscii -> SeqOneByte

SeqOneByteString cannot yet take non-ascii data.

R=yangguo@chromium.org,
BUG=

Review URL: https://chromiumcodereview.appspot.com/11411005
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12972 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 13:31:27 +00:00
mstarzinger@chromium.org
db4375e338 Unbreak waterfall after r12968. 
R=jkummerow@chromium.org
TEST=test262

Review URL: https://codereview.chromium.org/11416008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12970 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 12:35:16 +00:00
verwaest@chromium.org
a08194c83a Support all fast elements kinds in the major array operations. 
Currently missing support for unshift.

BUG=

Review URL: https://chromiumcodereview.appspot.com/11377132

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12969 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 12:19:14 +00:00
mstarzinger@chromium.org
50e975574b Update Test262 harness to recent version. 
R=rossberg@chromium.org
TEST=test262

Review URL: https://codereview.chromium.org/11308033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12968 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 11:41:27 +00:00
rossberg@chromium.org
4fb992a872 Object.observe: Handle oldValue for elements with accessors properly. 
Extended ElementAccessor interface to allow querying PropertyType and
AccessorPair. Also added respective functionality to JSObject.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11358234

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12967 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-15 11:31:40 +00:00
rossberg@chromium.org
5e7b796479 Object.observe: Move notification of JSArray length changes to JSArray::SetElementsLength 
The previous implementation in Accessors::ArraySetLength failed when array length was set through StoreIC_ArrayLength. But that stub and the accessor both delegate to JSArray::SetElementsLength, so moving the code there allows notifications to be sent in both cases.

Review URL: https://codereview.chromium.org/11275292
Patch from Adam Klein <adamk@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12962 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-14 16:51:21 +00:00
jkummerow@chromium.org
1c086d1202 Lattice-based representation inference, powered by left/right specific type feedback for BinaryOps and comparisons 
Review URL: https://chromiumcodereview.appspot.com/10837165

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12961 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-14 15:59:45 +00:00
ulan@chromium.org
74492ab2d4 Emit VMLA for multiply-add on ARM 
Review URL: https://chromiumcodereview.appspot.com/11293061
Patch from Hans Wennborg <hans@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12958 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-14 11:01:18 +00:00
yangguo@chromium.org
e49a910d99 Fix build errors. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11364231

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12957 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-14 09:32:51 +00:00
yangguo@chromium.org
4783d3c31b Remove 'type' and 'arguments' properties from Error object. 
R=svenpanne@chromium.org
BUG=v8:2397

Review URL: https://chromiumcodereview.appspot.com/11358214

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12956 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-14 09:14:47 +00:00
peter.rybin@gmail.com
bb53dc6890 Issue 2368: LiveEdit crashes when new object/array literal is added 
Review URL: https://codereview.chromium.org/11191039

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12952 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-13 19:13:27 +00:00
rossberg@chromium.org
92db2105e4 Object.deliverChangeRecords should remove the observer from activeObservers 
To preserve ordering guarantees during end-of-turn delivery, Object.deliverChangeRecords needs to remove the delivered-to observer from the list of active observers.

The added test demonstrates this behavior.

Review URL: https://codereview.chromium.org/11410046
Patch from Adam Klein <adamk@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12951 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-13 15:53:28 +00:00
rossberg@chromium.org
36c3d01589 Object.unobserve(obj, callback) now throws a TypeError when callback is not a function. 
Review URL: https://codereview.chromium.org/11293248
Patch from Rafael Weinstein <rafaelw@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12950 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-13 15:50:59 +00:00
svenpanne@chromium.org
673924413f Re-land rev. 12849 and 12868 (Heavy cleanup of the external pointer API + related fix). 
Review URL: https://codereview.chromium.org/11365224

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12945 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-13 12:27:03 +00:00
yangguo@chromium.org
c6b35d0310 Correctly handle uncaught exception objects. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11365200

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12939 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-12 17:32:30 +00:00
yangguo@chromium.org
693ee09cf3 Correctly check for stack overflow even when interrupt is pending. 
BUG=v8:214

Review URL: https://chromiumcodereview.appspot.com/11362007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12936 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-12 14:56:25 +00:00
yangguo@chromium.org
4c27298d27 Collect stack trace on stack overflow. 
BUG=v8:2394

Review URL: https://chromiumcodereview.appspot.com/11275186

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12933 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-12 14:54:29 +00:00
yangguo@chromium.org
e3e899fe53 Correctly fix test expectations. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11369183

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12931 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-12 14:07:21 +00:00
yangguo@chromium.org
eea60ff76a Fix test expectations. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11361217

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12928 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-12 12:29:15 +00:00
yangguo@chromium.org
4cca6c6081 Make formatting error message side-effect-free. 
BUG=v8:2398

Review URL: https://chromiumcodereview.appspot.com/11359130

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12926 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-12 10:33:20 +00:00
yangguo@chromium.org
ef1b3d3a76 Fix length check in JSON.stringify. 
R=verwaest@chromium.org
BUG=160010

Review URL: https://chromiumcodereview.appspot.com/11410031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12925 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-12 10:20:07 +00:00
rossberg@chromium.org
0e7306cc92 Implement Object.getNotifier() and remove Object.notify() 
Updated all tests to use getNotifier or actual object mutation instead of notify, and added tests for new behavior of getNotifier.

Review URL: https://codereview.chromium.org/11369154
Patch from Adam Klein <adamk@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12923 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-09 16:14:42 +00:00
rossberg@chromium.org
af7bfe0e27 Minimal implementation and tests of observable array methods 
Bail out of any special-casing in array methods.
Further optimization is possible, but can be left for later.

Review URL: https://codereview.chromium.org/11369151
Patch from Adam Klein <adamk@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12917 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-09 12:28:22 +00:00
rossberg@chromium.org
13f8fb47da Add more test coverage for setting Array.length 
Covers truncation of holey arrays and defineProperty('length').

Review URL: https://codereview.chromium.org/11369150
Patch from Adam Klein <adamk@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12915 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-09 11:00:13 +00:00