DCD as a library - stops working after some thread is created.

[Vadim Lopatin via Digitalmars-d-learn]

On Friday, 11 August 2017 at 08:17:32 UTC, Vadim Lopatin wrote:
> I'm using DCD as a library in DlangIDE.
> All DCD calls are made from separate thread.
> DCD works ok until some thread is created (e.g. to invoke DUB 
> for building).

/// call this function after DCD ModuleCache is instantiated to 
reproduce issue
void testDCDFailAfterThreadCreation() {
     import core.thread;
     Thread thread = new Thread(delegate() {
         Thread.sleep(dur!"msecs"(2000));
     });
     thread.start();
     thread.join();
}