Fix compiler warnings.
Merge branch 'master' into v2.1
x86/x64: Avoid use of SAHF instruction.
Merge branch 'master' into v2.1
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' into v2.1-agentzh