digitalmars.D.bugs - [Issue 22435] New: -unittest causes all template instances to be
- d-bugmail puremagic.com (19/19) Oct 25 2021 https://issues.dlang.org/show_bug.cgi?id=22435
https://issues.dlang.org/show_bug.cgi?id=22435 Issue ID: 22435 Summary: -unittest causes all template instances to be emitted Product: D Version: D2 Hardware: x86_64 OS: Linux Status: NEW Severity: normal Priority: P1 Component: dmd Assignee: nobody puremagic.com Reporter: atila.neves gmail.com With a file that's only one line: `import std.uni;`, it takes 4x longer to compile with -unittest than not. The reason is that `needsCodegen` always (in essence, in practice it's slightly more complicated) returns true when -unittest is passed even for non-root modules, and importing Phobos means generating code for all of them. --
Oct 25 2021