On Tuesday, 9 July 2019 at 19:04:53 UTC, Max Haughton wrote: > Is this a 64 or 32 bit compiler? Also could you post the source > code if possible? > > You could try "--DRT-gcopt=profile:1" druntime flag to see if > the compiler is running out of memory for real Thanks for help. I solved my issue by rewritting code.