[Issue 24502] New: [REG2.102.0] Can no longer select manual GC with --DRT-gcopt=gc:manual

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=24502

          Issue ID: 24502
           Summary: [REG2.102.0] Can no longer select manual GC with
                    --DRT-gcopt=gc:manual
           Product: D
           Version: D2
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: regression
          Priority: P1
         Component: druntime
          Assignee: nobody at puremagic.com
          Reporter: dlang-bugzilla at thecybershadow.net

It seems the `manual` GC is no longer registered at startup.

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