[libc++] Add a CI job running MSAN
For some reason, we've been going without a MSAN CI job, even though
even run-buildbot defined a generic-msan job. This must have been an
oversight that went unnoticed. Thanks to @EricWF for the catch.
Differential Revision: https://reviews.llvm.org/D120851
NOKEYCHECK=True
GitOrigin-RevId: cb055e51f994806160465212ac100485dac48125
diff --git a/test/forceunwind.pass.cpp b/test/forceunwind.pass.cpp
index 4666972..af5f234 100644
--- a/test/forceunwind.pass.cpp
+++ b/test/forceunwind.pass.cpp
@@ -9,6 +9,9 @@
// REQUIRES: linux
+// TODO: Figure out why this fails with Memory Sanitizer.
+// XFAIL: msan
+
// Basic test for _Unwind_ForcedUnwind.
// See libcxxabi/test/forced_unwind* tests too.