[Issue 24752] New: betterC memset link errors with template+array

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=24752

          Issue ID: 24752
           Summary: betterC memset link errors with template+array
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: b42 at i64.mooo.com

Possibly related to other array `memset` errors already reported before. The
following code fails to link with `dmd` but works fine with `ldc2` on:

- Void Linux 
- DMD64 D Compiler v2.101.1
- Args: `-betterC`

```
void fn(T, int N)(const T[N] arr) {
}

extern (C) void main() {

  fn([1, 2]);
  fn([1, 2, 3]);

  fn([1, 2, 2]);
  // same size array with different values fails 
}
```

source/bug.d:(.text.main[main]+0x60): undefined reference to `_memset32'

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