[S] Change in dart/sdk[main]: [vm] Disable ASAN/MSAN instrumentation in the inner marking loop.

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Ryan Macnak (Gerrit)

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Jan 21, 2026, 5:31:35 PM (7 hours ago) Jan 21
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Alexander Aprelev (Gerrit)

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Jan 21, 2026, 5:33:54 PM (7 hours ago) Jan 21
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Change information

Commit message:
[vm] Disable ASAN/MSAN instrumentation in the inner marking loop.

This doesn't provide much useful information for GC bugs but it is high fraction of program time in GC heavy runs.

TEST=ci
Bug: https://github.com/dart-lang/sdk/issues/62457
Change-Id: I4e62d6a64ca4ae8b492de3982981e6bfb053f9b9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/474765
Reviewed-by: Alexander Aprelev <a...@google.com>
Commit-Queue: Ryan Macnak <rma...@google.com>
Files:
  • M runtime/vm/bitfield.h
  • M runtime/vm/heap/marker.cc
  • M runtime/vm/raw_object.h
Change size: S
Delta: 3 files changed, 7 insertions(+), 3 deletions(-)
Branch: refs/heads/main
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