[Issue 9782] New: implementing RTInfo!T causes errors for deprecated types

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=9782

           Summary: implementing RTInfo!T causes errors for deprecated
                    types
           Product: D
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: rejects-valid
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: r.sagitario at gmx.de


--- Comment #0 from Rainer Schuetze <r.sagitario at gmx.de> 2013-03-22 02:02:24 PDT ---
If you modify object.di to implement RTInfo as

template RTInfo(T)
{
    enum RTInfo = T.sizeof;
}

and then compile

deprecated class C {}

you get the error/warning

object.di(661): Deprecation: class test.C is deprecated

even though C is never touched.

Similar things happen with types that caused errors in speculative compilation,
e.g. xtest46 from the test suite fails with

object.di(661): Error: variable object.RTInfo!(_error_).RTInfo had semantic
errors when compiling

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