Adding to associative array inside Variant segfaults

[dlangBugzillaToGithub]

acehreli (@acehreli) reported this on 2023-03-25T07:44:37Z

Transfered from https://issues.dlang.org/show_bug.cgi?id=23809

Description

Found at:

 https://forum.dlang.org/post/dekeczwolflkjwauftxl@forum.dlang.org

The following program segfaults:

import std.variant;

void main()
{
  Variant variant = Variant([
    "one": Variant(1),
  ]);

  variant["four"] = Variant(4); // Segfault
}