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src: mitigate MSVC dynamic initialization bug #25596

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merged 1 commit into from
Jan 31, 2019
Merged

src: mitigate MSVC dynamic initialization bug #25596

merged 1 commit into from
Jan 31, 2019

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refack
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@refack refack commented Jan 20, 2019 •
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Fixes: #25593
Refs: https://developercommunity.visualstudio.com/content/problem/432157/dynamic-initializers-out-of-order.html

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • commit message follows commit guidelines

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@refack build started: https://ci.nodejs.org/blue/organizations/jenkins/node-test-pull-request-lite-pipeline/detail/node-test-pull-request-lite-pipeline/2306/pipeline

@nodejs-github-bot nodejs-github-bot added the c++ Issues and PRs that require attention from people who are familiar with C++. label Jan 20, 2019
@refack refack mentioned this pull request Jan 20, 2019
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refack commented Jan 20, 2019

CI: https://ci.nodejs.org/job/node-test-pull-request/20217/

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The change LGTM, but as @seishun says in the other thread – it shouldn’t do anything at all? Along the lines of #25593 (comment): This shouldn’t be an issue when the definitions are all in one file, and it’s likely that something else is going on here…

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seishun commented Jan 20, 2019

Let's not make magical workarounds. We should figure out why this is happening and (most likely) submit a bug report to Visual Studio.

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refack commented Jan 20, 2019

I agree this is "magical". AFAICR that is why I didn't submit a PR with this till now.
But, it fixes the problem at hand so ¯\(ツ)/¯

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seishun commented Jan 20, 2019

If the underlying issue in the compiler is not fixed then it might break in another way in the next version.

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Until we get new VS with the bug fixed, we need to do something to make Node work again.

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seishun commented Jan 22, 2019

we need to do something to make Node work again

FYI it works - just not the debug build.

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seishun commented Jan 22, 2019

In any case, the commit message should explain what the problem is and how it's being mitigated.

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seishun commented Jan 23, 2019

The problem is now "Under Investigation" so maybe it will be fixed very soon.

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@refack I think with an updated commit message this should be ready to go 👍

(And I’m assuming we want to merge this even if it gets fixed in the compiler itself)

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seishun commented Jan 23, 2019

(And I’m assuming we want to merge this even if it gets fixed in the compiler itself)

I don't think so - I find it slightly more readable when an instance definition follows the class definition.

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refack commented Jan 23, 2019 •
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I've tested master with the VS2019 preview (CL.EXE version 19.20.27027.1), and it seems like the compiler issue does not reproduce...
But IMO this PR is low impact enough to meanwhile be a beneficial workaround (Node 10 & 11 are built with VS2017).

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refack commented Jan 23, 2019 •
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CI: https://ci.nodejs.org/job/node-test-pull-request/20292/
Resume: https://ci.nodejs.org/job/node-test-pull-request/20294/
Resume: https://ci.nodejs.org/job/node-test-pull-request/20469/
Resume: https://ci.nodejs.org/job/node-test-commit/25475/

@refack refack self-assigned this Jan 23, 2019
@refack refack added the windows Issues and PRs related to the Windows platform. label Jan 23, 2019
@refack refack changed the title src: mitigate a "static initialization order problem" on Windows src: mitigate MSVC dynamic initialization bug Jan 23, 2019
@refack
src: workaround MSVC compiler bug
e3c4b67 
PR-URL: nodejs#25596
Fixes: nodejs#25593
Refs: https://developercommunity.visualstudio.com/content/problem/432157/dynamic-initializers-out-of-order.html
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
@refack refack merged commit e3c4b67 into nodejs:master Jan 31, 2019
@refack refack deleted the fix-static-order-windows branch February 1, 2019 00:01
addaleax pushed a commit that referenced this pull request Feb 1, 2019
@refack @addaleax
src: workaround MSVC compiler bug
998cea5 
PR-URL: #25596
Fixes: #25593
Refs: https://developercommunity.visualstudio.com/content/problem/432157/dynamic-initializers-out-of-order.html
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
@targos targos mentioned this pull request Feb 14, 2019
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@refack refack mentioned this pull request Feb 24, 2019
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Debug build doesn't work on Windows
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@refack @nodejs-github-bot @addaleax @seishun @bzoz