Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* block/iscsi: fix double-free on BUSY or similar statuses
* catch [accel] entry without accelerator
* target/i386: various fixes for BMI and ADX instructions
* make the contents of meson-buildoptions.sh stable

# -----BEGIN PGP SIGNATURE-----
#
# iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmPpDTcUHHBib256aW5p
# QHJlZGhhdC5jb20ACgkQv/vSX3jHroODWAgAhWi0XSBe91+34ahQqx6JoLStNX9e
# xy1Cm/5LPDrDquD/4T6gnzb1Min/X2AsVu9c+VIbuHbL/rFc7aNIEL6c7KzwSFLs
# vEDF7tSnlIMK0ClDsDYBz7HUIgBgqE2crAJmTJus2Cqd+Ef5bMxhQi5Imrk6qtmO
# HRdVYEGasJ7CO50oUB91AMrNInWQw0qBnBOB8TnwTLTcvE1txa+xnZuZgQA2HrGX
# OweLdKRcYPvRYvBB3wLMbwqEKbD1eYbdbNt7T2KkuVQpYcgfoCpayHIIMroD+hvu
# BImmG9wWieDKH4Brs765gH6/3VF5UZKbgDQo9Wz+W/5QqnqRSsOYBiMkmA==
# =G3PN
# -----END PGP SIGNATURE-----
# gpg: Signature made Sun 12 Feb 2023 16:00:55 GMT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  libqtest: ensure waitpid() is only called once
  libqtest: split qtest_spawn_qemu function
  target/i386: fix ADOX followed by ADCX
  target/i386: Fix C flag for BLSI, BLSMSK, BLSR
  target/i386: Fix BEXTR instruction
  tests/tcg/i386: Introduce and use reg_t consistently
  vl: catch [accel] entry without accelerator
  block/iscsi: fix double-free on BUSY or similar statuses
  remove unnecessary extern "C" blocks
  build: make meson-buildoptions.sh stable

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --cc block/iscsi.c
Simple merge

diff --cc scripts/meson-buildoptions.sh
Simple merge