From fb37acd932b06c2386d07efe88a65ee3ac9aaa24 Mon Sep 17 00:00:00 2001
From: Vasil Dimov <vd@FreeBSD.org>
Date: Mon, 6 Jan 2025 15:22:15 +0100
Subject: [PATCH] ci: build msan's libc++ with _LIBCPP_ABI_BOUNDED_*

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
---
 ci/test/01_base_install.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ci/test/01_base_install.sh b/ci/test/01_base_install.sh
index 0130e820c2..a46f9ffabb 100755
--- a/ci/test/01_base_install.sh
+++ b/ci/test/01_base_install.sh
@@ -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