[Issue 20319] New: cast causing illegal instruction (core dump) in compiler

[d-bugmail--- via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=20319

          Issue ID: 20319
           Summary: cast causing illegal instruction (core dump) in
                    compiler
           Product: D
           Version: D2
          Hardware: x86
                OS: Linux
            Status: NEW
          Severity: major
          Priority: P1
         Component: dmd
          Assignee: nob...@puremagic.com
          Reporter: siu...@gmail.com

test on run.dlang.io
no compiler arguments
all dmd versions

code:
```
void main()
{
    auto data = cast(const char[5][]) "qwert";
}
```
output:
```
Up to      2.085.1: Success and no output
Since      2.086.1: Status -4 and no output
```
Nightly gives `output: Illegal instruction (core dumped)`.

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