Merge bitcoin/bitcoin#33099: ci: allow for any libc++ intrumentation & use it for TSAN

7aa5b67132 ci: remove DEBUG_LOCKORDER from TSAN job (fanquake)
b09af2ce50 ci: instrument libc++ in TSAN job (fanquake)
6653cafd0b ci: allow libc++ instrumentation other than msan (fanquake)

Pull request description:

  Allow for instrumenting libc++ with a sanitizer other than MemoryWithOrigins.

  Would also close #33087, as with the extra instrumentation, the issue from https://github.com/bitcoin/bitcoin/pull/32862#issuecomment-3114706601 is avoided (also see https://github.com/bitcoin/bitcoin/pull/33081), and we can drop `DEBUG_LOCKORDER`.

ACKs for top commit:
  maflcko:
    re-ACK 7aa5b67132 🦀
  dergoegge:
    utACK 7aa5b67132

Tree-SHA512: 95f123e37da5e81d571244e4b1cd7658107676f1ea763ff16e5b69f4dfadb88236a577bb2ee52230ff542872c1da151c88fc50aba0f32540e765080120cec55e

ci/test/00_setup_env_native_msan.sh

@@ -8,7 +8,7 @@ export LC_ALL=C.UTF-8
 
 export CI_IMAGE_NAME_TAG="mirror.gcr.io/ubuntu:24.04"
 export APT_LLVM_V="20"
-LIBCXX_DIR="/msan/cxx_build/"
+LIBCXX_DIR="/cxx_build/"
 export MSAN_FLAGS="-fsanitize=memory -fsanitize-memory-track-origins=2 -fno-omit-frame-pointer -g -O1 -fno-optimize-sibling-calls"
 LIBCXX_FLAGS="-nostdinc++ -nostdlib++ -isystem ${LIBCXX_DIR}include/c++/v1 -L${LIBCXX_DIR}lib -Wl,-rpath,${LIBCXX_DIR}lib -lc++ -lc++abi -lpthread -Wno-unused-command-line-argument"
 export MSAN_AND_LIBCXX_FLAGS="${MSAN_FLAGS} ${LIBCXX_FLAGS}"
@@ -27,4 +27,4 @@ export BITCOIN_CONFIG="\
  -DSANITIZERS=memory \
  -DAPPEND_CPPFLAGS='-U_FORTIFY_SOURCE' \
 "
-export USE_MEMORY_SANITIZER="true"
+export USE_INSTRUMENTED_LIBCPP="MemoryWithOrigins"