Fix check for reuse of SCEV results in FORL.
Merge branch 'master' into v2.1
FFI: Fix pseudo type conversions for type punning.
Merge branch 'master' into v2.1
Merge branch 'v2.1' of http://luajit.org/git/luajit-2.0
Fix Makefile

Don't ruin xcflags

Signed-off-by: katlogic <katlogic@katsystems.eu>