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digitalmars.D.bugs - [Issue 20994] New: -preview=dip1008 ok, adding -preview=dip1021


          Issue ID: 20994
           Summary: -preview=dip1008 ok, adding -preview=dip1021 crashes
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Other
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody puremagic.com
          Reporter: bcarneal11 gmail.com

import std.exception;

void main()  nogc {
  throw new Exception("throws fine when 1021 is not enabled");

The above compiles and runs as expected with -preview=dip1008.  It seg faults
during compilation if you add -preview=dip1021 to the command line.

Failure as described was seen for all relevant versions available via dlang.io
through the latest, v2.092.1.

Jun 29 2020