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digitalmars.D.bugs - [Issue 20861] New: Interface implementations are not checked when


          Issue ID: 20861
           Summary: Interface implementations are not checked when code
                    gen is skipped
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: critical
          Priority: P1
         Component: dmd
          Assignee: nobody puremagic.com
          Reporter: doob me.com

The following code should fail to compile but doesn't when code gen is skipped,
i.e. the `-o-` flag is used:

interface Foo
    void foo();

class Bar : Foo


The reason being that the check if a class implements all methods of an
interface is performed when generating code for the vtable.

May 24 2020