tree 6e11cf2cdf46a3a0e791056e87c637e3cdedf5f8
parent 2e42db10f49fba6ae3efd8f5a67cb869ee3641d4
author David Benjamin <davidben@chromium.org> 1719265964 +0000
committer Copybara-Service <copybara-worker@google.com> 1719266645 -0700

Don't mark ipcz wire structures as 8-byte aligned

On macOS, we don't actually achieve the specified alignment. I suspect
this is because mach messages only give you 4-byte alignment, not 8.

Sample failures:
https://ci.chromium.org/ui/labs/p/chromium/inv/build-8744363917858885313/test/ninja%3A%2F%2Fchrome%2Ftest%3Ainteractive_ui_tests%2FAutofillInteractiveFormSubmissionTest.ProbableSubmission/variant/c986399db6573e01?resultIndex=0
https://ci.chromium.org/ui/labs/p/chromium/inv/build-8744316879698860305/test/ninja%3A%2F%2Fchrome%2Ftest%3Ainteractive_ui_tests%2FAboutFlagsBrowserTest.ExpiryHidesFlag%2FAll.1/variant/c986399db6573e01

Just remove the alignment markers, which causes the unaligned pragma
pack expectations to go through. (Strictly speaking, the casts are
still questionably allowed because of C++'s strict aliasing
requirements, but we build with -fno-strict-aliasing.)

Bug: 40248746
Change-Id: I6c4e8df9c8c56658fb6a9732bf28f76702296a18
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5649953
Auto-Submit: David Benjamin <davidben@chromium.org>
Reviewed-by: Ken Rockot <rockot@google.com>
Commit-Queue: David Benjamin <davidben@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1318810}
NOKEYCHECK=True
GitOrigin-RevId: 851477c6a5e68a414d66fce5fab3bbb70a941692