win64: embed debug info in object files compiled from C instead of writing to pdb file
arrayop: remove bad contraints on overlapping rvalues
Merge pull request #558 from rainers/arrayop_rvalue_overlap

remove bad contraints on overlapping rvalues of array operations
Merge pull request #557 from rainers/fix_10747

fix Issue 10747 - Win64: warning about non-existing vc100.pdb