[dart-lang/sdk] 701215: [vm] Hoist allocation of sentinel et al.

[Ryan Macnak]

Branch: refs/heads/main
Home: https://github.com/dart-lang/sdk
Commit: 7012150dc7f3d9d5de1575116dc0da2123b7a9bb
https://github.com/dart-lang/sdk/commit/7012150dc7f3d9d5de1575116dc0da2123b7a9bb
Author: Ryan Macnak <rma...@google.com>
Date: 2026-04-29 (Wed, 29 Apr 2026)

Changed paths:
M runtime/vm/object.cc
M runtime/vm/roots.h

Log Message:
-----------
[vm] Hoist allocation of sentinel et al.

These will be base objects even for kFullAOT and kFullJIT snapshots, so their allocation needs to be separated from the rest of Object::Init.

TEST=ci
Change-Id: I1ad03cf9900a925d3b084843206bba7f67c5daa9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/499083
Reviewed-by: Alexander Aprelev <a...@google.com>
Commit-Queue: Ryan Macnak <rma...@google.com>



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