new compile errors for setGlobalAlign and setGlobalSection builtins

if you try to use them on an external variable or function
then you get a compile error, since the alignment/section
is set externally in this case.

closes #244
ad9040443cAndrew Kelley committed on 4/22/2017, 4:54:00 PMparentaafb0b9
2 files changedLine totals unavailable