if [ -z "${MIRI_TEST_TARGET+exists}" ]; then
# Only for host architecture: tests with optimizations (`-O` is what cargo passes, but crank MIR
# optimizations up all the way).
- MIRIFLAGS="-O -Zmir-opt-level=3" ./miri test --locked
+ MIRIFLAGS="-O -Zmir-opt-level=4" ./miri test --locked
fi
# On Windows, there is always "python", not "python3" or "python2".