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chore: cherry-pick 2f6a2939514f from v8 #35891

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merged 3 commits into from
Oct 4, 2022
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chore: cherry-pick 2f6a2939514f from v8 #35891

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bbb3fec
chore: [19-x-y] cherry-pick 2f6a2939514f from v8
nornagon Oct 3, 2022
bfa6cbb
chore: update patches
patchup[bot] Oct 3, 2022
ef007c9
Merge branch '19-x-y' into cherry-pick/19-x-y/v8/2f6a2939514f
codebytere Oct 4, 2022
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1 change: 1 addition & 0 deletions patches/v8/.patches
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Expand Up @@ -8,4 +8,5 @@ fix_build_deprecated_attribute_for_older_msvc_versions.patch
fix_disable_implies_dcheck_for_node_stream_array_buffers.patch
revert_fix_cppgc_removed_deleted_cstors_in_cppheapcreateparams.patch
cherry-pick-3704cf78f471.patch
cherry-pick-2f6a2939514f.patch
cherry-pick-8b040cb69e96.patch
33 changes: 33 additions & 0 deletions patches/v8/cherry-pick-2f6a2939514f.patch
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@@ -0,0 +1,33 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tobias Tebbi <tebbi@chromium.org>
Date: Thu, 1 Sep 2022 15:35:33 +0200
Subject: Merged: [compiler] fix typing of [[DateValue]]

Bug: chromium:1356308
(cherry picked from commit ae329407989f1e4689baba7a7827863057d688a9)

Change-Id: I1e132e96325296d180488774ef183daa36dc22c7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3915224
Reviewed-by: Darius Mercadier <dmercadier@chromium.org>
Cr-Commit-Position: refs/branch-heads/10.6@{#25}
Cr-Branched-From: 41bc7435693fbce8ef86753cd9239e30550a3e2d-refs/heads/10.6.194@{#1}
Cr-Branched-From: d5f29b929ce7746409201d77f44048f3e9529b40-refs/heads/main@{#82548}

diff --git a/src/compiler/type-cache.h b/src/compiler/type-cache.h
index 6442b6f6b0ee39bf1a820168e9dd924e81bc0cb3..a34d094edaa4cb7dd7ac692e4a11d7c890744d7c 100644
--- a/src/compiler/type-cache.h
+++ b/src/compiler/type-cache.h
@@ -131,9 +131,10 @@ class V8_EXPORT_PRIVATE TypeCache final {
Type const kStringLengthType = CreateRange(0.0, String::kMaxLength);

// A time value always contains a tagged number in the range
- // [-kMaxTimeInMs, kMaxTimeInMs].
- Type const kTimeValueType =
- CreateRange(-DateCache::kMaxTimeInMs, DateCache::kMaxTimeInMs);
+ // [-kMaxTimeInMs, kMaxTimeInMs] or -0.
+ Type const kTimeValueType = Type::Union(
+ CreateRange(-DateCache::kMaxTimeInMs, DateCache::kMaxTimeInMs),
+ Type::MinusZero(), zone());

// The JSDate::day property always contains a tagged number in the range
// [1, 31] or NaN.