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src: simplify UnionBytes #29116

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Before this commit it was using a tagged union to store the one-byte and
two-byte pointers.

From a sizeof(UnionBytes) perspective that makes no difference - there
is a hole between the tag and the union - and it makes the code just a
little harder to reason about, IMO.

Before this commit it was using a tagged union to store the one-byte and
two-byte pointers.

From a `sizeof(UnionBytes)` perspective that makes no difference - there
is a hole between the tag and the union - and it makes the code just a
little harder to reason about, IMO.
@nodejs-github-bot nodejs-github-bot added the c++ Issues and PRs that require attention from people who are familiar with C++. label Aug 14, 2019
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The test failure is #27611.

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Trott commented Aug 16, 2019

Landed in 841df6a

@Trott Trott closed this Aug 16, 2019
Trott pushed a commit that referenced this pull request Aug 16, 2019
Before this commit it was using a tagged union to store the one-byte and
two-byte pointers.

From a `sizeof(UnionBytes)` perspective that makes no difference - there
is a hole between the tag and the union - and it makes the code just a
little harder to reason about, IMO.

PR-URL: #29116
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Rich Trott <[email protected]>
targos pushed a commit that referenced this pull request Aug 19, 2019
Before this commit it was using a tagged union to store the one-byte and
two-byte pointers.

From a `sizeof(UnionBytes)` perspective that makes no difference - there
is a hole between the tag and the union - and it makes the code just a
little harder to reason about, IMO.

PR-URL: #29116
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Rich Trott <[email protected]>
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6 participants