- 03 Jul, 2018 40 commits
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Alexey Kozyatinskiy authored
This is a reland of 3dfaf826 Original change's description: > [debug] liveedit in native > > Liveedit step-by-step: > 1. calculate diff between old source and new source, > 2. map function literals from old source to new source, > 3. create new script for new_source, > 4. mark literals with changed code as changed, all others as unchanged, > 5. check that for changed literals there are no: > - running generators in the heap, > - non droppable frames (e.g. running generator) above them on stack. > 6. mark the bottom most frame with changed function as scheduled for > restart if any. > 7. for unchanged functions: > - deoptimize, > - remove from cache, > - update source positions, > - move to new script, > - reset feedback information and preparsed scope information if any, > - replace any sfi in constant pool with changed one if any. > 8. for changed functions: > - deoptimize > - remove from cache, > - reset feedback information, > - update all links from js functions to old shared with new one. > 9. swap scripts. > > TBR=ulan@chromium.org > > Bug: v8:7862,v8:5713 > Cq-Include-Trybots: luci.chromium.try:linux_chromium_headless_rel;luci.chromium.try:linux_chromium_rel_ng;master.tryserver.blink:linux_trusty_blink_rel > Change-Id: I8f6f6156318cc82d6f36d7ebc1c9f7d5f3aa1461 > Reviewed-on: https://chromium-review.googlesource.com/1105493 > Reviewed-by: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org> > Reviewed-by: Dmitry Gozman <dgozman@chromium.org> > Reviewed-by: Yang Guo <yangguo@chromium.org> > Commit-Queue: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org> > Cr-Commit-Position: refs/heads/master@{#54146} TBR=dgozman@chromium.org Bug: v8:7862, v8:5713 Change-Id: I163ed2fd2ca3115ba0de74cb35a6fac9e40fdd94 Cq-Include-Trybots: luci.chromium.try:linux_chromium_headless_rel;luci.chromium.try:linux_chromium_rel_ng;master.tryserver.blink:linux_trusty_blink_rel Reviewed-on: https://chromium-review.googlesource.com/1124879 Commit-Queue: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org> Reviewed-by:
Aleksey Kozyatinskiy <kozyatinskiy@chromium.org> Cr-Commit-Position: refs/heads/master@{#54187}
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Clemens Hammacher authored
This is an optimization to avoid an unneeded "mov <reg>, #0" instruction. Instead, we can just directly use the zero register. R=ahaas@chromium.org Bug: chromium:854011, v8:6600 Change-Id: I187d7a659c42d7d4a6d5798eddff8b7ee0983bbc Reviewed-on: https://chromium-review.googlesource.com/1124684 Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Reviewed-by:
Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#54186}
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Clemens Hammacher authored
We need to push the sign-extended constant instead of just the lower 32 bits. Otherwise, the callee might read stale data from the stack. Bug: chromium:854011, v8:6600 R=ahaas@chromium.org CC=rodolph.perfetta@arm.com Change-Id: Iafcfd6ba9532771615b41215fb4d1a2b85ce5623 Reviewed-on: https://chromium-review.googlesource.com/1124683Reviewed-by:
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Clemens Hammacher authored
I forgot to add this test to the previous CL: https://crrev.com/c/1122409 R=ahaas@chromium.org Bug: v8:7914 Change-Id: I4ed3bce37ce1e42a56eabc02647d8cf91e4492c9 Reviewed-on: https://chromium-review.googlesource.com/1124687Reviewed-by:
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Dan Elphick authored
In future the RO_SPACE root accessors in Heap will become private, so instead convert them all to use ReadOnlyRoots. Bug: v8:7786 Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng Change-Id: Ifd2f75298bacd2f6a89c551f689d269a59d87e97 Reviewed-on: https://chromium-review.googlesource.com/1124470 Commit-Queue: Dan Elphick <delphick@chromium.org> Reviewed-by:
Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/master@{#54183}
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Dan Elphick authored
In future the RO_SPACE root accessors in Heap will become private, so instead convert them all to use ReadOnlyRoots. Bug: v8:7786 Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng Change-Id: Ia24803003f1e6ce0782dffe448c662695620f026 Reviewed-on: https://chromium-review.googlesource.com/1124326 Commit-Queue: Dan Elphick <delphick@chromium.org> Reviewed-by:
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Dan Elphick authored
In future the RO_SPACE root accessors in Heap will become private, so instead convert them all to use ReadOnlyRoots. Bug: v8:7786 Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng Change-Id: I2cc63ffc5b6df537fa7772356acd9e8b3cf59352 Reviewed-on: https://chromium-review.googlesource.com/1124322 Commit-Queue: Dan Elphick <delphick@chromium.org> Reviewed-by:
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Alexei Filippov authored
Using CpuProfile pointer is not safe for id as the profile objects can be recreated on the same memory address. Use sequential numbers instead. Change-Id: I7253605819055bc3396b797f9ce27669e8c2584d Reviewed-on: https://chromium-review.googlesource.com/1123325Reviewed-by:
Yang Guo <yangguo@chromium.org> Commit-Queue: Alexei Filippov <alph@chromium.org> Cr-Commit-Position: refs/heads/master@{#54180}
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Georg Neis authored
Also move some helpers there. Bug: v8:7902 Change-Id: I1ef3d1e8317102afae2861382e9ba60b0ef6bba4 Reviewed-on: https://chromium-review.googlesource.com/1121461 Commit-Queue: Georg Neis <neis@chromium.org> Reviewed-by:
Jaroslav Sevcik <jarin@chromium.org> Cr-Commit-Position: refs/heads/master@{#54179}
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Dan Elphick authored
Moves STRUCT_LIST AND ALLOCATION_SITE_LIST into roots.h and adds access to their associated maps using ReadOnlyRoots. Also corrects the location of external_map, message_object_map, empty_script, many_closures_cell, invalid_prototype_validity_cell and builtins_constants_table which are not in RO_SPACE. Finally this adds a convenience ReadOnlyRoots(Isolate*) constructor. Bug: v8:7786 Change-Id: I4982dd0cbea2062a124605678599ba48831f020f Reviewed-on: https://chromium-review.googlesource.com/1124319Reviewed-by:
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Toon Verwaest authored
Change-Id: I21b0dfb572efab3257e25f2f3b81689c07f8f2d7 Reviewed-on: https://chromium-review.googlesource.com/1124562 Commit-Queue: Toon Verwaest <verwaest@chromium.org> Reviewed-by:
Marja Hölttä <marja@chromium.org> Cr-Commit-Position: refs/heads/master@{#54177}
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Predrag Rudic authored
Tests cctest/test-run-wasm-simd/RunWasm_I16x8ConvertI32x4_turbofan and cctest/test-run-wasm-simd/RunWasm_I8x16ConvertI16x8_simd_lowered will be skipped for big endian until implementation for big endian is done correctly. Change-Id: Ia6253070ede207f437e4b710a656bce8d65e412e Reviewed-on: https://chromium-review.googlesource.com/1113307 Commit-Queue: Ivica Bogosavljevic <ivica.bogosavljevic@mips.com> Reviewed-by:
Aseem Garg <aseemgarg@chromium.org> Cr-Commit-Position: refs/heads/master@{#54176}
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Clemens Hammacher authored
An i64 to i32 conversion within the same register is a noop on arm64, since i32 operations just use the "W" part of the register anyway. R=ahaas@chromium.org CC=rodolph.perfetta@arm.com Bug: v8:6600 Change-Id: Ia7cb49673c4997dc095736a054d052ffd91bb957 Reviewed-on: https://chromium-review.googlesource.com/1124449Reviewed-by:
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Simon Zünd authored
This CL adds a regression test that will check that the elements pointer is properly reloaded after the JavaScript comparison function is called during Array.p.sort. R=jgruber@chromium.org Bug: chromium:859809 Change-Id: I15f55fcc1906bd8d0751596e5457367a643b92da Reviewed-on: https://chromium-review.googlesource.com/1124475 Commit-Queue: Simon Zünd <szuend@google.com> Reviewed-by:
Jakob Gruber <jgruber@chromium.org> Reviewed-by:
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Michael Starzinger authored
R=clemensh@chromium.org Change-Id: I2a935d87d6f9688af9bd983fc95ae87476c1f612 Reviewed-on: https://chromium-review.googlesource.com/1124464Reviewed-by:
Clemens Hammacher <clemensh@chromium.org> Commit-Queue: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#54173}
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Toon Verwaest authored
Most scanner logic doesn't need to care about surrogate pairs, so we can just push it down to identifier scanning. This CL additionally drops some explicit kEndOfInput checks that are subsumed by predicates seemlessly returning false for kEndOfInput (-1). Change-Id: If031a9355ab5fbca0c3b647045e3034f42923979 Reviewed-on: https://chromium-review.googlesource.com/1124447Reviewed-by:
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Tobias Tebbi authored
It turns out we can just remove kReturnVariable from the normal change tracking, since it's always set when jumping to the final label anyway. Bug: v8:7793 Change-Id: I6d0a777016047aa31b0edddd19c661e2631e1078 Reviewed-on: https://chromium-review.googlesource.com/1124471Reviewed-by:
Daniel Clifford <danno@chromium.org> Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Cr-Commit-Position: refs/heads/master@{#54171}
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Georg Neis authored
Instead of installing code dependencies during graph reduction, install them after code generation. Bug: v8:7902, v8:7790 Change-Id: I8a3798254abb5b9ec7c295a1592aeb6b51f24c7a Reviewed-on: https://chromium-review.googlesource.com/1119913 Commit-Queue: Georg Neis <neis@chromium.org> Reviewed-by:
Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#54170}
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Tobias Tebbi authored
Bug: v8:7793 Change-Id: Ifb03938e15307910ef25b2b95c32fe69bfec1441 Reviewed-on: https://chromium-review.googlesource.com/1124458Reviewed-by:
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Michael Starzinger authored
R=clemensh@chromium.org Change-Id: Ia3856921a707e7d58d55a74d3f14cbdc0d69eaa5 Reviewed-on: https://chromium-review.googlesource.com/1124332 Commit-Queue: Michael Starzinger <mstarzinger@chromium.org> Reviewed-by:
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Tobias Tebbi authored
Variables/return values with constexpr type cannot have multiple assignments. We check this now. For conditionals, it is important to always infer a non-constexpr type. This CL adds the ability to map any type (including union types) to be mapped to their non-constexpr variant. Conditionals infer their type as the non-constexpr version of a combination of the two branch types. In addition, this improves subtyping for constexpr types: If A extends B, then constexpr A extends constexpr B. This makes it necessary to clean up "constexpr String", which has nothing to do with tagged values. Bug: v8:7793 Change-Id: Ia4d3cd5dc98f45b0ec89adf05c5c6111a0e51cc6 Reviewed-on: https://chromium-review.googlesource.com/1122864 Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Reviewed-by:
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Simon Zünd authored
This CL is a manual revert of the Array.p.sort Torque QuickSort implementation. The plan is to ship TimSort in either Chromium 69 or 70 and not ship Torque-QuickSort at all (to keep disruption to a minimum). For this reason we revert back to the implementation in array.js. R=jgruber@chromium.org Bug: chromium:859809, v8:7382 Change-Id: I92eb70408883f51d98311e78642f554316bc1e76 Reviewed-on: https://chromium-review.googlesource.com/1124334Reviewed-by:
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Simon Zünd authored
When calling a builtin via a function pointer, torque tries to find any builtin with the same parameter types for a descriptor. If no such builtin exist, we currently crash. Example: type DoesNotExistFn = builtin(Context, Smi, Smi, Smi) => Smi; macro TestMacro(c: Context, fn: DoesNotExistFn) { let result: Smi = fn(c, 1, 2, 3); } R=tebbi@chromium.org Bug: v8:7793 Change-Id: Ia7436dc6541aca5de2e8dcb6b2a09978a1af9d39 Reviewed-on: https://chromium-review.googlesource.com/1123821Reviewed-by:Tobias Tebbi <tebbi@chromium.org> Commit-Queue: Simon Zünd <szuend@google.com> Cr-Commit-Position: refs/heads/master@{#54165}
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Clemens Hammacher authored
The current output of release builds is not very helpful, as it does not contain the line number, nor the values of {expect_exception} or {i_isolate->has_pending_exception()}. R=ahaas@chromium.org Bug: chromium:854011 Change-Id: I0bc1b8be6151d5420310eb67b2ebd0dc866fc9a6 Reviewed-on: https://chromium-review.googlesource.com/1122869Reviewed-by: -
Hannes Payer authored
Change-Id: I66426ab06f8cc3f138a9cdd60063a3da1dc4a954 Reviewed-on: https://chromium-review.googlesource.com/1123824Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Commit-Queue: Hannes Payer <hpayer@chromium.org> Cr-Commit-Position: refs/heads/master@{#54163}
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Georgia Kouveli authored
This optimization is already done on x64 (7500e507). Bug: v8:7844 Change-Id: Iccc3bb55aa79ef1d4423576c79d9ce6f829f2828 Reviewed-on: https://chromium-review.googlesource.com/1120343 Commit-Queue: Georgia Kouveli <georgia.kouveli@arm.com> Reviewed-by:
Sigurd Schneider <sigurds@chromium.org> Cr-Commit-Position: refs/heads/master@{#54162}
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Andreas Haas authored
R=binji@chromium.org Bug: v8:7846 Change-Id: I0843c11a3034062182be99514d092c474116c25c Reviewed-on: https://chromium-review.googlesource.com/1122415Reviewed-by:
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Dan Elphick authored
Adds a ReadOnlyRoots class trivially constructable from a Heap* or Isolate* and which can be obtained from a any HeapObject which provides access to roots objects that will always be in RO_SPACE. In the longer term this object will be accessed via a global variable without requiring an Isolate or using the memory address of a HeapObject to infer it. Moves the list macros in heap.h to roots.h and splits some of them into two parts (read-only and mutable). Convert cases of heap_object->GetHeap()->root_accessor() to heap_objects->GetReadOnlyRoots().root_accessor(). Bug: v8:7786 Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng Change-Id: I14b01052adb2af9a5ec82b970e933d6a423d17a5 Reviewed-on: https://chromium-review.googlesource.com/1122127 Commit-Queue: Dan Elphick <delphick@chromium.org> Reviewed-by:
Hannes Payer <hpayer@chromium.org> Reviewed-by:
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Camillo Bruni authored
- display script size overview - color scripts in overview depending on eval, streaming or other scripts - fix stats to always take own-bytes into accout - rename all *Time properties to *Duration for consistency - extract ScriptSource log event into separate method - support script source events in parse-processor Bug: chromium:757467, chromium:850038 Change-Id: I227d1d5952ae9e508ab1a01146fcf47f74a3f7ea Reviewed-on: https://chromium-review.googlesource.com/1117195 Commit-Queue: Camillo Bruni <cbruni@chromium.org> Reviewed-by:
Sathya Gunasekaran <gsathya@chromium.org> Cr-Commit-Position: refs/heads/master@{#54159}
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Théotime Grohens authored
This CL adds a comparison for the performance of getting and setting float32 and float64 values with DataViews and with TypedArrays. Since TypedArrays do not specify endianness, we can't compare performance across both possible endiannesses, but this is better than no comparison at all. Change-Id: Iea54b942c0bb8168e9d8002d94e2bb9bc6566331 Reviewed-on: https://chromium-review.googlesource.com/1120250Reviewed-by:
Michael Stanton <mvstanton@chromium.org> Commit-Queue: Théotime Grohens <theotime@google.com> Cr-Commit-Position: refs/heads/master@{#54158}
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Théotime Grohens authored
This CL adds code to inline the Int8 and Uint8 getters for DataView objects in TurboFan in js-call-reducer.cc, as well as a new test file. It already improves execution speed compared to the Torque baseline implementation, and implements most of the architecture needed for inlining the other DataView getters and setters as well. Change-Id: I0e62b98fd6ec995f7db5ec42ea1eff1f03572f97 Reviewed-on: https://chromium-review.googlesource.com/1119909Reviewed-by:
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jgruber authored
This CL replaces most uses of the V8_EMBEDDED_BUILTIN define by a new read-only runtime flag called FLAG_embedded_builtins. The flag is true iff V8_EMBEDDED_BUILTINS is defined. Bug: v8:6666 Change-Id: Ifcc909dc9b028a2c967f8a0e45029df5e71072df Reviewed-on: https://chromium-review.googlesource.com/1122401 Commit-Queue: Jakob Gruber <jgruber@chromium.org> Reviewed-by:
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Clemens Hammacher authored
This fixed the {WasmCompiledFrame::Print} method to print the pc offset (an integer) in hexadecimal notation, and not print it as a pointer value, which somehow produced weird output in my case. R=mstarzinger@chromium.org Change-Id: I417e980d2bf1448f5694a32c28a7c7bca1de9703 Reviewed-on: https://chromium-review.googlesource.com/1122866Reviewed-by: -
Clemens Hammacher authored
This is a reland of 20f33823. Win32 failures should be fixed by https://crrev.com/c/1120175. Original change's description: > [wasm] Enable Liftoff by default on ia32 and x64 > > R=titzer@chromium.org, hablich@chromium.org > > Bug: v8:6600, chromium:787421 > Change-Id: Ia8ae56ddef3b27b0721d5a66ff19abe098a2c6ca > Reviewed-on: https://chromium-review.googlesource.com/1109899 > Reviewed-by: Ben Titzer <titzer@chromium.org> > Reviewed-by: Michael Hablich <hablich@chromium.org> > Commit-Queue: Clemens Hammacher <clemensh@chromium.org> > Cr-Commit-Position: refs/heads/master@{#53965} TBR=titzer@chromium.org, hablich@chromium.org Bug: v8:6600, chromium:787421 Change-Id: Ia0fc1f152988a2df95d94d002b9ddfdc0a9c4abd Reviewed-on: https://chromium-review.googlesource.com/1120205Reviewed-by:
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Dominik Inführ authored
Rename method to IsEmpty for Worklist. IsGlobalEmpty is easy to confuse with IsGlobalPoolEmpty. Change-Id: Id9744cef2630f7c0642ec37ef9a18296acee87e3 Reviewed-on: https://chromium-review.googlesource.com/1115222 Commit-Queue: Dominik Inführ <dinfuehr@google.com> Reviewed-by:
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Clemens Hammacher authored
Only use the "W" part (lower 32 bit) of the src register. Otherwise, we can get results larger than 32. R=ahaas@chromium.org CC=rodolph.perfetta@arm.com Bug: v8:7914, chromium:854011 Change-Id: I6329231e6cc0ae537c165b2d383fc5a14bd28ca3 Reviewed-on: https://chromium-review.googlesource.com/1122409 Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Reviewed-by:
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Yang Guo authored
This reverts commit 3dfaf826. Reason for revert: Failures - https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Linux%20gcc%204.8/20394 Original change's description: > [debug] liveedit in native > > Liveedit step-by-step: > 1. calculate diff between old source and new source, > 2. map function literals from old source to new source, > 3. create new script for new_source, > 4. mark literals with changed code as changed, all others as unchanged, > 5. check that for changed literals there are no: > - running generators in the heap, > - non droppable frames (e.g. running generator) above them on stack. > 6. mark the bottom most frame with changed function as scheduled for > restart if any. > 7. for unchanged functions: > - deoptimize, > - remove from cache, > - update source positions, > - move to new script, > - reset feedback information and preparsed scope information if any, > - replace any sfi in constant pool with changed one if any. > 8. for changed functions: > - deoptimize > - remove from cache, > - reset feedback information, > - update all links from js functions to old shared with new one. > 9. swap scripts. > > TBR=ulan@chromium.org > > Bug: v8:7862,v8:5713 > Cq-Include-Trybots: luci.chromium.try:linux_chromium_headless_rel;luci.chromium.try:linux_chromium_rel_ng;master.tryserver.blink:linux_trusty_blink_rel > Change-Id: I8f6f6156318cc82d6f36d7ebc1c9f7d5f3aa1461 > Reviewed-on: https://chromium-review.googlesource.com/1105493 > Reviewed-by: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org> > Reviewed-by: Dmitry Gozman <dgozman@chromium.org> > Reviewed-by: Yang Guo <yangguo@chromium.org> > Commit-Queue: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org> > Cr-Commit-Position: refs/heads/master@{#54146} TBR=dgozman@chromium.org,ulan@chromium.org,yangguo@chromium.org,kozyatinskiy@chromium.org Change-Id: I45df5b6f3abaf29e593c6ac11edefbd0177d0109 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:7862, v8:5713 Cq-Include-Trybots: luci.chromium.try:linux_chromium_headless_rel;luci.chromium.try:linux_chromium_rel_ng;master.tryserver.blink:linux_trusty_blink_rel Reviewed-on: https://chromium-review.googlesource.com/1124159Reviewed-by:
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Simon Zünd authored
This CL changes the NumberDictionary fast-path for Array.p.sort to throw a TypeError when trying to write to a read-only property. Previously, the fast-path simply bailed to the slow-path which could swallow the TypeError by accident. I.e. because the fast-path could leave the array in an inconsistent state that is already sorted. Example: let arr = new Array(10); Object.defineProperty(arr, 0, {value: 2, writable: false}); Object.defineProperty(arr, 2, {value: 1, writable: false}); arr.sort(); The pre-processing step will move the value 1 to index 1: {0: 2, 1: 1} When trying to swap those 2 values, the fast-path will write the 2 at index 1, then try to write the 1 at index 0 and fail, bailing to the slow-path. As the array looks like {0: 2, 1: 2} its already sorted and the TypeError will not be thrown. R=jgruber@chromium.org Bug: v8:7382, v8:7907 Change-Id: I5d2f2d73478fdca066ce1048dcb2b8301751cb1f Reviewed-on: https://chromium-review.googlesource.com/1122120 Commit-Queue: Simon Zünd <szuend@google.com> Reviewed-by: -
Jakob Kummerow authored
For spread calls with arrays with double elements but zero length, we skip the box-as-heapnumber step; so in this corner case the Call builtin sees a FixedDoubleArray, which is fine because it doesn't read any of the raw double values from it. This patch doesn't change the implementation, it only updates the assert to match reality. Bug: chromium:856095 Change-Id: I0227f4ccbc6c61c8f5f7669a266ef7a64c6a9a43 Reviewed-on: https://chromium-review.googlesource.com/1117922Reviewed-by:
Camillo Bruni <cbruni@chromium.org> Commit-Queue: Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#54149}
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v8-ci-autoroll-builder authored
Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/213a0e3..7ac2934 Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/34f0d7e..153acbd Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/024a331..605dd31 Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/dec27d7..39163b8 TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org Change-Id: I3ab6664ff80919f7169a14a9522c32b4c432a169 Reviewed-on: https://chromium-review.googlesource.com/1123884 Commit-Queue: V8 Autoroller <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com> Reviewed-by:
V8 Autoroller <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com> Cr-Commit-Position: refs/heads/master@{#54148}
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