Make update_offset idempotent for blobs
#1644
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sim642
reviewed
Dec 30, 2024
Co-authored-by: Simmo Saan <[email protected]>
sim642
approved these changes
Jan 3, 2025
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Recreates #1559 which at the time was only merged into the branch for my thesis.
Otherwise, a publish lead to a Blob value being placed inside a zero-inited Blob, which lead to value Top inside the blob, which caused function calls to be lost.
See #1558 which shows how Goblint without this fix is unsound.