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
FFI: Allow non-scalar cdata to be compared for equality by address.
Merge branch 'master' into v2.1
Fix alias analysis for table.len vs. table.clear.
Correct fix for reuse of SCEV results in FORL.
Merge branch 'master' into v2.1
Fix top slot calculation for snapshots with continuations.
Merge branch 'master' into v2.1
FFI: Fix cdata equality comparison against strings.
Merge branch 'master' into v2.1
FFI: Fix cdata equality comparison against other Lua types.
Merge branch 'master' into v2.1
Fix FOLD of string concatenations.