- 29 Jan, 2019 37 commits
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Michael Lippautz authored
TracedGlobal integrates with the use case of EmbedderHeapTracer and replaces regular weak Global or Persistent nodes for such cases. This allows to simplify the case for regular weak handles in a sense that they follow regular weak semantics (if the underlying object is otherwise unreachable the weak handle will be reset). TracedGlobal requires slightly different semantics in the sense that it can be required to keep them alive on Scavenge garbage collections because there's a transitive path that is only known when using the EmbedderHeapTracer. TracedGlobal accomodates that use case. TracedGlobal follows move semantics and can thus be used in regular std containers without wrapping data structure. The internal state uses 20% less memory and allows for only iterating those nodes when necessary. The design trades the virtual call when iterating interesting persistents in the GC prologue with calling out through the EmbedderHeapTracer for each node which is also a virtual call. There is one less iteration over the set of handles required though and the design is robust against recursive GCs that mutate the embedder state during the prologue callback. Bug: chromium:923361 Change-Id: Idbacfbe4723cd12af9de21058a4792e51dc4df74 Reviewed-on: https://chromium-review.googlesource.com/c/1425523 Commit-Queue: Michael Lippautz <mlippautz@chromium.org> Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Cr-Commit-Position: refs/heads/master@{#59183}
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Sven Sauleau authored
Enables WebAssembly's js-api module/customSection. The specification has been updated; see https://github.com/WebAssembly/spec/issues/915. V8 was already using DOMString. Bug: v8:8633 Change-Id: I4c3e93c21594dbba84b3697e7e85069c3ff8b441 Cq-Include-Trybots: luci.chromium.try:linux-blink-rel Reviewed-on: https://chromium-review.googlesource.com/c/1415554 Commit-Queue: Sven Sauleau <ssauleau@igalia.com> Reviewed-by:
Adam Klein <adamk@chromium.org> Cr-Commit-Position: refs/heads/master@{#59182}
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Andreas Haas authored
In the trap handler we validate the list of registered code objects every time we register or de-register a new code object. The complexity of this validation is O(num-code-objects * num-instructions). For big WebAssembly modules with several hundred thousand code objects, this validation causes significant overhead (we saw up to 10x) and makes debugging very tedious. With this CL I mark the validation as slow. Thereby it is still enabled in most tests on our bots, but it is possible to disable validation when debugging large web applications. The referenced bug issue was created by developers who had problems with debugging because of this issue. R=mark@chromium.org Bug: v8:8536 Change-Id: If7ecb554eebcb04eb43a1f791b96c7a42a47e60f Reviewed-on: https://chromium-review.googlesource.com/c/1442634Reviewed-by:
Clemens Hammacher <clemensh@chromium.org> Commit-Queue: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#59181}
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Z Duong Nguyen-Huu authored
Adding implementation for step 9 which is missing for spec: https://tc39.github.io/ecma262/#sec-proxy-object-internal-methods-and-internal-slots-ownpropertykeys Update bytecode_expectations as well. Bug v8:6776 Change-Id: Id191f9604e2dc08e71cbcff8ebd5707c233af193 Reviewed-on: https://chromium-review.googlesource.com/c/1419779Reviewed-by:
Camillo Bruni <cbruni@chromium.org> Commit-Queue: Z Nguyen-Huu <duongn@microsoft.com> Cr-Commit-Position: refs/heads/master@{#59180}
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Clemens Hammacher authored
This reverts commit b022e825. Reason for revert: Fails nosnap: https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Linux%20-%20nosnap%20-%20debug/22761 Original change's description: > [builtins] Verify Isolate compatibility with the embedded blob > > Embedded builtins (= the embedded blob) have a few dependencies on the > snapshot state. For instance, they require that metadata stored on > builtin Code objects as well as the builtins constant table remain > unchanged from mksnapshot-time. Embedders may violate these > assumptions by accident, e.g. by loading a snapshot generated with > different build flags, leading to seemingly unrelated failures later > on. > > This CL introduces an Isolate hash stored in the embedded blob which > hashes relevant parts of builtin Code objects and the builtins > constant table. It's verified in Isolate::Init in debug builds. > > Bug: v8:8723 > Change-Id: Ifc9bdbe6f56ea67d8984f162afa73a3572cfbba8 > Reviewed-on: https://chromium-review.googlesource.com/c/1442641 > Commit-Queue: Jakob Gruber <jgruber@chromium.org> > Reviewed-by: Sigurd Schneider <sigurds@chromium.org> > Cr-Commit-Position: refs/heads/master@{#59177} TBR=sigurds@chromium.org,jgruber@chromium.org Change-Id: I027ae2585bd06290ea3245b1fc23efba544eb470 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:8723 Reviewed-on: https://chromium-review.googlesource.com/c/1443059Reviewed-by:
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Georg Neis authored
Bug: v8:7790 Change-Id: I0576e44aad53f0d2a14526749ec7cc0140a54ab8 Reviewed-on: https://chromium-review.googlesource.com/c/1443052 Commit-Queue: Georg Neis <neis@chromium.org> Reviewed-by:
Maya Lekova <mslekova@chromium.org> Cr-Commit-Position: refs/heads/master@{#59178}
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Jakob Gruber authored
Embedded builtins (= the embedded blob) have a few dependencies on the snapshot state. For instance, they require that metadata stored on builtin Code objects as well as the builtins constant table remain unchanged from mksnapshot-time. Embedders may violate these assumptions by accident, e.g. by loading a snapshot generated with different build flags, leading to seemingly unrelated failures later on. This CL introduces an Isolate hash stored in the embedded blob which hashes relevant parts of builtin Code objects and the builtins constant table. It's verified in Isolate::Init in debug builds. Bug: v8:8723 Change-Id: Ifc9bdbe6f56ea67d8984f162afa73a3572cfbba8 Reviewed-on: https://chromium-review.googlesource.com/c/1442641 Commit-Queue: Jakob Gruber <jgruber@chromium.org> Reviewed-by:
Sigurd Schneider <sigurds@chromium.org> Cr-Commit-Position: refs/heads/master@{#59177}
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Georg Neis authored
Bug: v8:7790 Change-Id: If48109451676b7f028367f8366848a539949c3a8 Reviewed-on: https://chromium-review.googlesource.com/c/1442255 Commit-Queue: Georg Neis <neis@chromium.org> Reviewed-by:
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Clemens Hammacher authored
Registered callbacks should not keep the NativeModule alive. Otherwise, tiering will always run to completion, even if the NativeModule is not being used any more. This change can cause the callback to not be called if the module dies before it finishes top-tier compilation. This is the desired behaviour. R=ahaas@chromium.org CC=titzer@chromium.org, bbudge@chromium.org Bug: v8:8689, chromium:719172 Change-Id: Ide9d639f465497c3ed3439c7ce25c76dceeb97eb Reviewed-on: https://chromium-review.googlesource.com/c/1435937Reviewed-by:
Bill Budge <bbudge@chromium.org> Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Cr-Commit-Position: refs/heads/master@{#59175}
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Junliang Yan authored
This fixes RunWasmInterpreter_* tests on big endian mips/ppc/s390. Change-Id: I4b9b767d0de45004ee1195ac225c6d1027c17a05 Reviewed-on: https://chromium-review.googlesource.com/c/1439517 Commit-Queue: Junliang Yan <jyan@ca.ibm.com> Reviewed-by:
Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#59174}
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Clemens Hammacher authored
This is not needed generally, and might prevent catching bugs where labels are not bound correctly. Instead, only unuse labels on errors. R=mstarzinger@chromium.org Change-Id: I1dc77ea21ca80c5be801f17ba284908e1c04abe0 Reviewed-on: https://chromium-review.googlesource.com/c/1443051 Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Reviewed-by:
Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#59173}
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Clemens Hammacher authored
On Liftoff bailout, instead of binding all unbound labels (to avoid triggering DCHECKS in their destructor), just Unuse them. R=mstarzinger@chromium.org Bug: chromium:924843 Change-Id: Icf581bca06eaa7369ab2bbd5d805112289d6a801 Reviewed-on: https://chromium-review.googlesource.com/c/1442645Reviewed-by:
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Maya Lekova authored
This is a reland of acb60162 Original change's description: > [test] Add testing facility for SerializerForBackgroundCompilation > > R=neis@chromium.org > > Bug: v8:7790 > Change-Id: Id759112d0c780ff857eb094102245b38fcbb1709 > Reviewed-on: https://chromium-review.googlesource.com/c/1434375 > Reviewed-by: Georg Neis <neis@chromium.org> > Commit-Queue: Maya Lekova <mslekova@chromium.org> > Cr-Commit-Position: refs/heads/master@{#59153} Bug: v8:7790 Change-Id: I1593a768c77c563707b498d47b34a2b1e7fa5dea Reviewed-on: https://chromium-review.googlesource.com/c/1442234 Commit-Queue: Maya Lekova <mslekova@chromium.org> Reviewed-by:
Georg Neis <neis@chromium.org> Cr-Commit-Position: refs/heads/master@{#59171}
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Andreas Haas authored
In some test-run-wasm-js cctests we want to call wasm code through the js-to-wasm wrapper. This did not work if we wanted to run the wasm code in the interpreter, because we never compiled a WasmInterpreterEntry, and we did not patch the jump table. With this CL we do both now. R=clemensh@chromium.org CC=fgm@chromium.org Change-Id: I49971c5079053ed572928da7eab3e6ea3cb57c25 Reviewed-on: https://chromium-review.googlesource.com/c/1435941 Commit-Queue: Andreas Haas <ahaas@chromium.org> Reviewed-by:
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Daniel Bratell authored
jumbo.gni will check whether use_jumbo_build is set or not and if it's not set it will just check that |jumbo_excluded_sources| lists do not include non-existing files. That means that there is little/nothing to lose by always routing v8_source_set that way, and it adds a bit in build file simplicity and local checking of |jumbo_excluded_sources|. Change-Id: I19ed91d304f4a2edbf10661d20e5f5d3180b3a35 Reviewed-on: https://chromium-review.googlesource.com/c/1430832 Commit-Queue: Daniel Bratell <bratell@opera.com> Reviewed-by:
Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#59169}
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Clemens Hammacher authored
During execution, the tier can be switch from Liftoff to TurboFan. We already handle this in some locations by getting the tier before execution, so that we later know which was the requested tier for that unit. In the case of the --wasm-tier-mask-for-testing flag, this accounting was not right because the tier was already switched in the constructor. This CL changes the compilation units to store both the requested and the executed tier explicitly, so we know which counter to decrement when the unit finishes. R=ahaas@chromium.org Bug: chromium:925671 Change-Id: I673463135e9b3ab17e40cfdfd5d3a526ad5a9b79 Reviewed-on: https://chromium-review.googlesource.com/c/1442639Reviewed-by:
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Clemens Hammacher authored
There is no linking stage any more, and all the {Link} method did was to set the module to executable. Thus rename the method to reflect that. R=ahaas@chromium.org Bug: v8:8562 Change-Id: Ifc83b5cbbb1377312d7c318e50a0f9d1ede45aa6 Reviewed-on: https://chromium-review.googlesource.com/c/1439237Reviewed-by: -
Andreas Haas authored
This is a followup change for https://crrev.com/c/1437275 to keep the core wasm spec tests in sync with the tests checked out in test/wasm-js/data. R=clemensh@chromium.org Change-Id: I3c78c5db647e9c871b4c64efbc9656acd1266efb Reviewed-on: https://chromium-review.googlesource.com/c/1442638 Commit-Queue: Andreas Haas <ahaas@chromium.org> Reviewed-by:
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Clemens Hammacher authored
Currently, errors somewhere deep in a promise chain are not reported as test failures. We would print the error, but still return with exit status 0. This CL fixes this to treat any uncaught exception as failure, as we already do in {Shell::ExecuteString}. R=yangguo@chromium.org Change-Id: Idc4e58cc0d45f8fca3f7b2c5070ab68d317fc00b Reviewed-on: https://chromium-review.googlesource.com/c/1439378Reviewed-by: -
Georg Neis authored
This is a reland of d4cc132e without changes. Original change's description: > [turbofan] Extend/change serializer list of bytecodes. > > In particular, don't clear environment for StackCheck. > Clear it for all throw and generator-related operations. > > Also improve some printing. > > Bug: v8:7790 > Change-Id: I45d0994a06ba7ca430e78d631d85b2c6b2e9e323 > Reviewed-on: https://chromium-review.googlesource.com/c/1439376 > Commit-Queue: Georg Neis <neis@chromium.org> > Reviewed-by: Maya Lekova <mslekova@chromium.org> > Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> > Cr-Commit-Position: refs/heads/master@{#59157} Tbr: mslekova@chromium.org Bug: v8:7790 Change-Id: I86a72170eebff332ade08679f7fd895dd0652e1a Reviewed-on: https://chromium-review.googlesource.com/c/1442633Reviewed-by:
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Michael Achenbach authored
Also removes some obsolete gn definitions. Bug: v8:8678 Change-Id: I418051177f059ab413b996a641ecf23f70d6c8bc Reviewed-on: https://chromium-review.googlesource.com/c/1433789 Commit-Queue: Michael Achenbach <machenbach@chromium.org> Reviewed-by:
Jakob Gruber <jgruber@chromium.org> Cr-Commit-Position: refs/heads/master@{#59163}
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Leszek Swirski authored
Bug: chromium:926036 Change-Id: Ibc8d3ffc3f9411fa33c0ed6326cb6b19a7d8dd05 Reviewed-on: https://chromium-review.googlesource.com/c/1442635Reviewed-by:
Toon Verwaest <verwaest@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/master@{#59162}
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Sven Sauleau authored
Cq-Include-Trybots: luci.chromium.try:linux-blink-rel Change-Id: I9693dbdebbfb8590c5887bd07971fa9b3b042313 Reviewed-on: https://chromium-review.googlesource.com/c/1437275Reviewed-by:
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Georg Neis authored
This is a reland of 3145505a, after removing the clashing Register name binding. Original change's description: > [turbofan] Support new.target in the serializer. > > Bug: v8:7790 > Change-Id: Ie98cff6f8b1f184c8152952cc3d39e373c93565d > Reviewed-on: https://chromium-review.googlesource.com/c/1435943 > Commit-Queue: Georg Neis <neis@chromium.org> > Reviewed-by: Maya Lekova <mslekova@chromium.org> > Cr-Commit-Position: refs/heads/master@{#59118} Tbr: mslekova@chromium.org Bug: v8:7790 Change-Id: I354d7907342e1f040d01eecc8b51ffca6e83c28d Reviewed-on: https://chromium-review.googlesource.com/c/1442233 Commit-Queue: Georg Neis <neis@chromium.org> Reviewed-by:
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Georg Neis authored
This reverts commit d4cc132e. Reason for revert: Bad merge due to other reverted CL Original change's description: > [turbofan] Extend/change serializer list of bytecodes. > > In particular, don't clear environment for StackCheck. > Clear it for all throw and generator-related operations. > > Also improve some printing. > > Bug: v8:7790 > Change-Id: I45d0994a06ba7ca430e78d631d85b2c6b2e9e323 > Reviewed-on: https://chromium-review.googlesource.com/c/1439376 > Commit-Queue: Georg Neis <neis@chromium.org> > Reviewed-by: Maya Lekova <mslekova@chromium.org> > Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> > Cr-Commit-Position: refs/heads/master@{#59157} TBR=jarin@chromium.org,neis@chromium.org,mslekova@chromium.org Change-Id: I349398e8ec1b00d2725032435374c0d4205982f3 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:7790 Reviewed-on: https://chromium-review.googlesource.com/c/1442632Reviewed-by:
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Michael Achenbach authored
This reverts commit 7e93c3bf. Reason for revert: Bug was fixed Original change's description: > [release] Temporarily remove two gpu bots from V8 auto-roller > > TBR=mslekova@chromium.org > NOTRY=true > > Bug: chromium:925750 > Change-Id: I6700ce261e2e083867b71874dfe4c308ccc0d764 > Reviewed-on: https://chromium-review.googlesource.com/c/1437117 > Commit-Queue: Michael Achenbach <machenbach@chromium.org> > Reviewed-by: Michael Achenbach <machenbach@chromium.org> > Cr-Commit-Position: refs/heads/master@{#59126} TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org,mslekova@chromium.org Change-Id: If1373a5151386f5dcd7998f0ba97460d30aeb9e7 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: chromium:925750 Reviewed-on: https://chromium-review.googlesource.com/c/1442631Reviewed-by:
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Georg Neis authored
In particular, don't clear environment for StackCheck. Clear it for all throw and generator-related operations. Also improve some printing. Bug: v8:7790 Change-Id: I45d0994a06ba7ca430e78d631d85b2c6b2e9e323 Reviewed-on: https://chromium-review.googlesource.com/c/1439376 Commit-Queue: Georg Neis <neis@chromium.org> Reviewed-by:
Jaroslav Sevcik <jarin@chromium.org> Cr-Commit-Position: refs/heads/master@{#59157}
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Ulan Degenbaev authored
This replaces InNewSpace with InYoungGeneration, which is a prerequisite for young large objects. Additional changes: - FROM_SPACE, TO_SPACE flags are renamed to FROM_PAGE, TO_PAGE. - A new LARGE_PAGE flag is added. - The external string table is refactored to track young string instead of new space strings. Bug: chromium:924547 Change-Id: Ia4e3ba1b72995c3400257a1f98559f091533e811 Reviewed-on: https://chromium-review.googlesource.com/c/1437274Reviewed-by:
Benedikt Meurer <bmeurer@chromium.org> Reviewed-by:
Yang Guo <yangguo@chromium.org> Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Commit-Queue: Ulan Degenbaev <ulan@chromium.org> Cr-Commit-Position: refs/heads/master@{#59156}
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Jaroslav Sevcik authored
Change-Id: I0e538704f6dd9e7344c2bf77d5ca4b5765927d74 Reviewed-on: https://chromium-review.googlesource.com/c/1437287Reviewed-by:
Tobias Tebbi <tebbi@chromium.org> Reviewed-by:
Michael Stanton <mvstanton@chromium.org> Commit-Queue: Jaroslav Sevcik <jarin@chromium.org> Cr-Commit-Position: refs/heads/master@{#59155}
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Maya Lekova authored
This reverts commit acb60162. Reason for revert: Breaks arm build - https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Linux%20-%20arm%20-%20sim%20-%20lite/2035 Original change's description: > [test] Add testing facility for SerializerForBackgroundCompilation > > R=neis@chromium.org > > Bug: v8:7790 > Change-Id: Id759112d0c780ff857eb094102245b38fcbb1709 > Reviewed-on: https://chromium-review.googlesource.com/c/1434375 > Reviewed-by: Georg Neis <neis@chromium.org> > Commit-Queue: Maya Lekova <mslekova@chromium.org> > Cr-Commit-Position: refs/heads/master@{#59153} TBR=neis@chromium.org,mslekova@chromium.org Change-Id: I5e6a3b94a9b177242aebb582c5184bb35e999314 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:7790 Reviewed-on: https://chromium-review.googlesource.com/c/1442232Reviewed-by:
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Maya Lekova authored
R=neis@chromium.org Bug: v8:7790 Change-Id: Id759112d0c780ff857eb094102245b38fcbb1709 Reviewed-on: https://chromium-review.googlesource.com/c/1434375Reviewed-by:
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Simon Zünd authored
This CL extends the kCircularStructure error message to include the constructors and keys involved in the circle: const a = {}; a.arr = []; a.arr[0] = a; JSON.stringify(a); TypeError: Converting circular structure to JSON --> starting at object with constructor 'Object' | property 'arr' -> object with constructor 'Array' --- index 0 closes the circle R=gsathya@chromium.org, yangguo@chromium.org Bug: v8:6513, v8:8696 Change-Id: I393aa3ce47d8bfd03734fccac63445006940ef7a Reviewed-on: https://chromium-review.googlesource.com/c/1433776Reviewed-by:Sathya Gunasekaran <gsathya@chromium.org> Commit-Queue: Simon Zünd <szuend@chromium.org> Cr-Commit-Position: refs/heads/master@{#59152}
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tzik authored
This CL factors out the preparation of Microtask to a function, so that we don't miss the common set up for new types of Microtasks. Bug: v8:8124 Change-Id: I5e1e46b368dfc3d28a5d0a97d0f47e0479d600f4 Reviewed-on: https://chromium-review.googlesource.com/c/1423981Reviewed-by:
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Daniel Clifford authored
Bug: v8:7793 Change-Id: I28a60cdbce211fadf3b749b582a81ae78ff76548 Reviewed-on: https://chromium-review.googlesource.com/c/1435945 Commit-Queue: Daniel Clifford <danno@chromium.org> Reviewed-by:
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v8-ci-autoroll-builder authored
Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/a041d21..7a588f4 Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/514fe3e..eae881c Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/bdb1123..9f5b861 Rolling v8/third_party/fuchsia-sdk: https://chromium.googlesource.com/chromium/src/third_party/fuchsia-sdk/+log/5157be4..0544fee TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org Change-Id: Ic5ff7060b57aed1624a1a7fa2c7b0456f95e797a Reviewed-on: https://chromium-review.googlesource.com/c/1441913Reviewed-by:
v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com> Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com> Cr-Commit-Position: refs/heads/master@{#59149}
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tzik authored
This is a reland of 516d9068 Original change's description: > Expose the number of microtasks from RunMicrotasks > > This CL adds the number of processed microtasks to the tracing marker > of RunMicrotasks, plus let RunMicrotasks return the number. > > Bug: v8:7804, v8:8124 > Change-Id: Ie584e22964121fbda3a822379d760e7518fc54a7 > Reviewed-on: https://chromium-review.googlesource.com/c/1425277 > Commit-Queue: Taiju Tsuiki <tzik@chromium.org> > Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> > Cr-Commit-Position: refs/heads/master@{#59017} Bug: v8:7804, v8:8124 Change-Id: I4a57ba3e23973f6b46414c4502244091c42cf532 Reviewed-on: https://chromium-review.googlesource.com/c/1430399Reviewed-by:
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Frank Tang authored
Bug: v8:7770 Change-Id: I649dd1fb52c1598281e7f70cce74b1798504640a Reviewed-on: https://chromium-review.googlesource.com/c/1436598 Commit-Queue: Frank Tang <ftang@chromium.org> Reviewed-by:
Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#59147}
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- 28 Jan, 2019 3 commits
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Frank Tang authored
Bug: chromium:925216 Change-Id: I29d71df0c4c7850a80a86cd0719dea04fcc61816 Reviewed-on: https://chromium-review.googlesource.com/c/1436597Reviewed-by:
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Frank Tang authored
Bug: v8:7834,v8:8613,v8:8243 Change-Id: I4464b52ac70fde0e8cec175197833b3f72806263 Reviewed-on: https://chromium-review.googlesource.com/c/1440561Reviewed-by:
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Jakob Kummerow authored
Numeric conversions are defined behavior iff the value is in the range of what the target type can represent. Bug: v8:3770 Change-Id: Ic6f2276c64cb39345a45d8e37e604c28ecca34c2 Reviewed-on: https://chromium-review.googlesource.com/c/1436216 Commit-Queue: Jakob Kummerow <jkummerow@chromium.org> Reviewed-by:
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