[Issue 22940] New: defect: Error: no property `_0L` for type `int`

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=22940

          Issue ID: 22940
           Summary: defect: Error: no property `_0L` for type `int`
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: kdevel at vogtner.de

https://dlang.org/spec/lex.html#floatliteral says:

   Floating literals can have embedded ‘_’ characters to improve readability,
   and which are ignored.

This code (zzz2.d)

   void main ()
   {
      real r = 1._0L;
   }

when compiled with dmd 2.099 gives:

   $dmd zzz2
   zzz2.d(3): Error: no property `_0L` for type `int`

expected: Software should behave as the manual says or the other way round.

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