[v12.x] Backport of deps: update V8 to 7.5#28005

Merged

targos merged 21 commits intonodejs:v12.x-stagingfrom

targos:v8-7.5-v12.x

Jun 4, 2019

Commits on Jun 4, 2019

deps: update V8 to 7.5.288.22

refack
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build: reset embedder string to "-node.0"

refack
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build,v8: sync V8 gypfiles with 7.5

refack
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tools,gyp: introduce MSVS 2019

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deps: V8: fix filename manipulation for Windows

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deps: V8: un-cherry-pick bd019bd

refack
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deps: V8: silence irrelevant warning
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deps: V8: update postmortem metadata generation script

cjihrig
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deps: V8: cherry-pick cca9ae3c9a

bmeurer
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deps: V8: backport f89e555
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deps: V8: patch register-arm64.h

refack
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deps: V8: forward declaration of `Rtl*FunctionTable`

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deps: V8: use ATOMIC_VAR_INIT instead of std::atomic_init

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deps: V8: template explicit instantiation for GCC-8

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deps: V8: workaround for MSVC 14.20 optimizer bug

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deps: V8: fix BUILDING_V8_SHARED issues

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deps: V8: backport 3a75c1f

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deps: bump minimum icu version to 64
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test: drain platform before unregistering isolate

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test: fail `test-worker-prof` on internal timeout

refack
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deps: patch V8 to be API/ABI compatible with 7.4
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