[AssumeBuilder] Fix incorrect nonnull optimization (#195676)
We can only optimize nonnull assumes to refer to the base of a GEP if
the GEP is inbounds.
From #195650.
neomutt: update to 20260504.
2026-05-04 Richard Russon \<rich at flatcap.org\>
* Security
- Fix GSSAPI buffer underflow on short unwrapped tokens
- Reject percent-encoded NUL bytes in URL decoding
- Skip CN fallback when SAN dNSName entries exist (RFC6125)
- Cap POP3 UIDL responses to prevent OOM from a malicious server
- Harden POP host URL copy
* Bug Fixes
- #4836 imap: fix memory leak in `msg_parse_flags`
- #4849 Fix memmove in `mutt_str_expand_tabs`
- #4850 IMAP: enhance stability with re-entrancy protection and reconnection fixes
- #4852 Say which mailcap field we are looking for
- #4853 Don't overwrite content_type
- pager: fix crash on `uncolor *`
- pager: fix wrong line index in signature syntax realloc
- pager: fix OOB read on short log lines in `display_line()`
- pager: fix off-by-one in newline restoration
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[LV] Use isLegalMaskedLoadOrStore for interleaved accesses too (NFC)
isLegalMaskedLoadOrStore is now the central place for querying target
capabilities for masked accesses. Access pattern legality checks are
hoisted outside of it.
pfsync: reject invalid SCTP states
SCTP states should always have a src scrub object associated with them.
Crafted pfsync packets might not have this, leading to us derferencing a
NULL pointer on cleanup.
Validate the pfsync state insertion packet to make sure this is correct.
PR: 294989
MFC after: 1 week
Sponsored by: Rubicon Communications, LLC ("Netgate")
[clang][AST][NFC] const-correctness improvements for member functions returing `ArrayRef` (#195784)
- Add const qualifiers to member functions.
- Drop non-const-qualified member functions whose const-qualified
versions return same thing.
[LV] Introduce isLegalMaskedLoadOrStore (NFC) (#195242)
This simplifies legality checks, and eventually will become the single
point querying TTI hooks for masked ld/st. Currently, legality checks
for interleaved accesses still query TTI directly.
[AArch64][GlobalISel] Match G_DUP with undef elements (#195237)
This helps us match more vector splats that contain undef elements,
matching build vectors that contain undef so long as they contain at
least 2 duplicate entries.
