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Merge bitcoin/bitcoin#31612: ci: build msan's libc++ with _LIBCPP_ABI_BOUNDED_*

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fb37acd932 ci: build msan's libc++ with _LIBCPP_ABI_BOUNDED_* (Vasil Dimov)

Pull request description:

  For the task `MSan, depends (Cirrus CI)` we build a custom libc++ for which we already use `-DLIBCXX_HARDENING_MODE=debug`. Compile it also with `_LIBCPP_ABI_BOUNDED_*` to enable further checks.

  Docs at: https://libcxx.llvm.org/Hardening.html#abi-options

ACKs for top commit:
  maflcko:
    review ACK fb37acd932

Tree-SHA512: 7687b47e86c524c947dd4311289cdd9bc3dd25e31e844375781a37c110f8ab65bdfcc485f17fd3b20f070cc93187f0ba2ad45089451220f31309c143bb21cc3f
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merge-script 2025-01-10 13:48:20 +00:00
commit 2f6c7e7f6c
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ci/test/01_base_install.sh
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@ -74,6 +74,7 @@ if [[ ${USE_MEMORY_SANITIZER} == "true" ]]; then
-DLLVM_TARGETS_TO_BUILD=Native \
-DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=OFF \
-DLIBCXXABI_USE_LLVM_UNWINDER=OFF \
-DLIBCXX_ABI_DEFINES="_LIBCPP_ABI_BOUNDED_ITERATORS;_LIBCPP_ABI_BOUNDED_ITERATORS_IN_STD_ARRAY;_LIBCPP_ABI_BOUNDED_ITERATORS_IN_STRING;_LIBCPP_ABI_BOUNDED_ITERATORS_IN_VECTOR;_LIBCPP_ABI_BOUNDED_UNIQUE_PTR" \
-DLIBCXX_HARDENING_MODE=debug \
-S /msan/llvm-project/runtimes