Is LLVM10 still supported?

[Ola Fosheim Grøstad]

I am trying to build LDC, but get errors like this:

Assertion failed: (Ty->isSized() && "Cannot getTypeInfo() on a 
type that is unsized!"), function getTypeSizeInBits, file 
/opt/local/libexec/llvm-10/include/llvm/IR/DataLayout.h, line 625.