How to Fix Weird Build Failure with "-release" but OK with "-debug"?

[Mathias LANG]

On Wednesday, 21 July 2021 at 03:25:03 UTC, apz28 wrote:
> with below error message:
> ..\..\pham\db\db_skdatabase.d(140): Error: null dereference in 
> function 
> _D4pham2db10fbdatabase7FbArray__T13readArrayImplTbZQsMFNfCQCeQCc8database12DbNameColumnZAb
> ..\..\pham\db\db_skdatabase.d(139): Error: null dereference in 
> function 
> _D4pham2db10fbdatabase7FbArray__T13readArrayImplTbZQsMFNfCQCeQCc8database12DbNameColumnZAb
> Error: null dereference in function 
> _D4pham2db10fbdatabase7FbArray__T13readArrayImplTbZQsMFNfCQCeQCc8database12DbNameColumnZAb
> ..\..\pham\db\db_skdatabase.d(138): Error: null dereference in 
> function 
> _D4pham2db10fbdatabase7FbArray__T13readArrayImplTbZQsMFNfCQCeQCc8database12DbNameColumnZAb

It seems the compiler is doing extra analysis and seeing that a 
null pointer is being dereferenced. Can you provide the code for 
"pham\db\db_skdatabase.d" at L138 through 140 ?