As reported by Patrick Schluter:
Even replacing VLA with alloca() does not work/
Error: undefined identifier `__builtin_alloca`
Comment #1 by dlang-bot — 2023-05-06T01:04:59Z
@WalterBright created dlang/dmd pull request #15191 "Issue 23889 - ImportC: alloca() not supported" mentioning this issue:
- Issue 23889 - ImportC: alloca() not supported
https://github.com/dlang/dmd/pull/15191
Comment #2 by dlang-bot — 2023-05-08T09:33:29Z
dlang/dmd pull request #15191 "Issue 23889 - ImportC: alloca() not supported" was merged into master:
- ce1cf1463f76b22e707c178525589a67c1326dd2 by Walter Bright:
Issue 23889 - ImportC: alloca() not supported
https://github.com/dlang/dmd/pull/15191