[Issue 14356] New: SDC test00120.d compiles but should not

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=14356

          Issue ID: 14356
           Summary: SDC test00120.d compiles but should not
           Product: D
           Version: unspecified
          Hardware: x86
                OS: Mac OS X
            Status: NEW
          Severity: normal
          Priority: P1
         Component: DMD
          Assignee: nobody at puremagic.com
          Reporter: shammah.chancellor at gmail.com

SDC fails as such:
```
> ../bin/sdc test0120.d
    void foo(int a) {}
    ^~~~~~~~~~~~~~~~~~
    test0120.d:14: error: foo overrides a base class method but is not marked
override
```

DMD compiles this:

```test0120.d
//T compiles:no
//T has-passed:yes
// Test implicit override error.

int main() {
    return 0;
}

class A {
    void foo(int a) {}
}

class B : A {
    void foo(int a) {}
}
```

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