MSan reports false positives when populating memory via *stat() calls, and WT-11218 created msan_suppression_wrappers.c to suppress the false positives.
Once WiredTiger's minimum supported LLVM version is 14 this fix will be available and we can remove the changes made in WT-11218.
is related to
WT-14461Investigate workgen test failures on machine ARMV9 using V5 toolchain
Open
WT-14127Switch over to V5 toolchain within all supported machines