[Issue 13267] New: Fiber with small stack causes stack overflow in GC.gcx.mark

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13267

          Issue ID: 13267
           Summary: Fiber with small stack causes stack overflow in
                    GC.gcx.mark
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: major
          Priority: P1
         Component: druntime
          Assignee: nobody at puremagic.com
          Reporter: safety0ff.bugz at gmail.com

Created attachment 1379
  --> https://issues.dlang.org/attachment.cgi?id=1379&action=edit
Initial test case

Seems anything less than the default stack size triggers the issue.
See the  attached test case (I have not reduced it at all.)

Both 2.065 and git HEAD fail.

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