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From: "zach-gcc at cs dot stanford.edu" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug d/108842] New: Cannot use enum array with -fno-druntime
Date: Sat, 18 Feb 2023 07:34:35 +0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: d
X-Bugzilla-Version: 13.0
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X-Bugzilla-Severity: normal
X-Bugzilla-Who: zach-gcc at cs dot stanford.edu
X-Bugzilla-Status: UNCONFIRMED
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X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: ibuclaw at gdcproject dot org
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108842

            Bug ID: 108842
           Summary: Cannot use enum array with -fno-druntime
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: d
          Assignee: ibuclaw at gdcproject dot org
          Reporter: zach-gcc at cs dot stanford.edu
  Target Milestone: ---

I have test.d:

```
enum int[] x =3D [0, 1, 2];
```

and an object.d:

```
module object;
```

I get an error when I try to compile:

```
$ gdc -c -fno-druntime test.d
test.d:1:16: error: expression '[0, 1, 2]' requires 'object.TypeInfo' and
cannot be used with '-fno-rtti'
    1 | enum int[] x =3D [0, 1, 2];
      |                ^
test.d:1:16: error: 'object.TypeInfo' could not be found, but is implicitly
used
    1 | enum int[] x =3D [0, 1, 2];
      |                ^
```

This compiles fine with DMD and LDC with `-betterC` and the same object.d
(custom runtime).=