fix Issue 9775 - Can no longer create a const Date in CTFE if the variable is explicitly typed
CV: translate void[N] to ubyte[N]
Merge pull request #1831 from rainers/cv8_void_array

CodeView debug info: translate void[N] to ubyte[N]
Merge pull request #1824 from 9rnsr/fix9775

[REG2.062] Issue 9775 - Can no longer create a const Date in CTFE if the variable is explicitly typed
fix Issue 9739 - DMD not considering ctor with default args as default ctor
Stop using `trySemantic` for detecting base class default ctor
fix Issue 9865 - Crash on bogus import / circular reference
Merge pull request #1835 from 9rnsr/fix9865

[REG2.062] Issue 9865 - Crash on bogus import / circular reference
Merge pull request #1833 from 9rnsr/fix9739

[REG2.063a] Issue 9739 - DMD not considering ctor with default args as default ctor