From 44c739cc497e19bf0857beb95ac5c711882fa3d7 Mon Sep 17 00:00:00 2001 From: Benjamin Coe Date: Fri, 4 Sep 2020 10:01:56 -0700 Subject: [PATCH] deps: V8: cherry-pick 6be2f6e26e8d Original commit message: [coverage] IncBlockCounter should not be side-effect Incrementing coverage counter was triggering EvalError for evaluateOnCallFrame when throwOnSideEffect is true. R=jgruber@chromium.org, sigurds@chromium.org, yangguo@chromium.org Bug: v8:10856 Change-Id: I0552e19a3a14ff61a9cb626494fb4a21979d535e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2384011 Commit-Queue: Benjamin Coe Reviewed-by: Jakob Gruber Reviewed-by: Yang Guo Reviewed-by: Sigurd Schneider Cr-Commit-Position: refs/heads/master@{#69628} Refs: https://github.com/v8/v8/commit/6be2f6e26e8ddfbc1a48c510672b319809674a34 PR-URL: https://github.com/nodejs/node/pull/35055 Reviewed-By: Richard Lau Reviewed-By: Shelley Vohr Reviewed-By: Rich Trott Reviewed-By: Anna Henningsen --- common.gypi | 2 +- deps/v8/src/debug/debug-evaluate.cc | 1 + ...-effect-free-coverage-enabled-expected.txt | 3 ++ .../side-effect-free-coverage-enabled.js | 43 +++++++++++++++++++ deps/v8/test/inspector/inspector.status | 1 + 5 files changed, 49 insertions(+), 1 deletion(-) create mode 100644 deps/v8/test/inspector/debugger/side-effect-free-coverage-enabled-expected.txt create mode 100644 deps/v8/test/inspector/debugger/side-effect-free-coverage-enabled.js diff --git a/common.gypi b/common.gypi index b0ff365b7fdb5b..102f0907745507 100644 --- a/common.gypi +++ b/common.gypi @@ -34,7 +34,7 @@ # Reset this number to 0 on major V8 upgrades. # Increment by one for each non-official patch applied to deps/v8. - 'v8_embedder_string': '-node.44', + 'v8_embedder_string': '-node.45', ##### V8 defaults for Node.js ##### diff --git a/deps/v8/src/debug/debug-evaluate.cc b/deps/v8/src/debug/debug-evaluate.cc index 203885143fa1c8..e18702359e1335 100644 --- a/deps/v8/src/debug/debug-evaluate.cc +++ b/deps/v8/src/debug/debug-evaluate.cc @@ -457,6 +457,7 @@ bool BytecodeHasNoSideEffect(interpreter::Bytecode bytecode) { case Bytecode::kToNumeric: case Bytecode::kToString: // Misc. + case Bytecode::kIncBlockCounter: // Coverage counters. case Bytecode::kForInEnumerate: case Bytecode::kForInPrepare: case Bytecode::kForInContinue: diff --git a/deps/v8/test/inspector/debugger/side-effect-free-coverage-enabled-expected.txt b/deps/v8/test/inspector/debugger/side-effect-free-coverage-enabled-expected.txt new file mode 100644 index 00000000000000..454d31963932d9 --- /dev/null +++ b/deps/v8/test/inspector/debugger/side-effect-free-coverage-enabled-expected.txt @@ -0,0 +1,3 @@ +Tests side-effect-free evaluation with coverage enabled +Paused on 'debugger;' +f() returns 1 diff --git a/deps/v8/test/inspector/debugger/side-effect-free-coverage-enabled.js b/deps/v8/test/inspector/debugger/side-effect-free-coverage-enabled.js new file mode 100644 index 00000000000000..ffa86452287330 --- /dev/null +++ b/deps/v8/test/inspector/debugger/side-effect-free-coverage-enabled.js @@ -0,0 +1,43 @@ +// Copyright 2020 the V8 project authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +let {session, contextGroup, Protocol} = InspectorTest.start('Tests side-effect-free evaluation with coverage enabled'); + +contextGroup.addScript(` +function testFunction() +{ + var o = 0; + function f() { return 1; } + function g() { o = 2; return o; } + f,g; + debugger; +} +//# sourceURL=foo.js`); + +// Side effect free call should not result in EvalError when coverage +// is enabled: +Protocol.Profiler.enable() +Protocol.Profiler.startPreciseCoverage({callCount: true, detailed: true}) + +Protocol.Debugger.enable(); + +Protocol.Debugger.oncePaused().then(debuggerPaused); + +Protocol.Runtime.evaluate({ "expression": "setTimeout(testFunction, 0)" }); + +var topFrameId; + +function debuggerPaused(messageObject) +{ + InspectorTest.log("Paused on 'debugger;'"); + + topFrameId = messageObject.params.callFrames[0].callFrameId; + Protocol.Debugger.evaluateOnCallFrame({ callFrameId: topFrameId, expression: "f()", throwOnSideEffect: true}).then(evaluatedFirst); +} + +function evaluatedFirst(response) +{ + InspectorTest.log("f() returns " + response.result.result.value); + InspectorTest.completeTest(); +} diff --git a/deps/v8/test/inspector/inspector.status b/deps/v8/test/inspector/inspector.status index 621fc163e5729c..fcfde07399dc6c 100644 --- a/deps/v8/test/inspector/inspector.status +++ b/deps/v8/test/inspector/inspector.status @@ -31,6 +31,7 @@ 'debugger/eval-scopes': [PASS, FAIL], 'debugger/scope-skip-variables-with-empty-name': [PASS, FAIL], 'debugger/update-call-frame-scopes': [PASS, FAIL], + 'debugger/side-effect-free-coverage-enabled': [PASS, FAIL], 'debugger/side-effect-free-debug-evaluate': [PASS, FAIL], 'debugger/evaluate-on-call-frame-in-module': [PASS, FAIL], }], # variant != default