On Tuesday, 12 June 2018 at 17:41:46 UTC, Adam D. Ruppe wrote: > No, actually very little of it is there. Most the code the > compiler calls into is found in the compiled druntime lib, like > in the druntime/src/rt directory. And, just in case somebody at a later date has the same question, I found the function: It's in ldc.arrayinit.