Feature #11670: Show warning to make nested def obsolete

• Status: Assigned
• Assignee: nobu (Nobuyoshi Nakada)
• Target version: -

[ko1 (Koichi Sasada)]

Warn without '-w' at compile time.

See https://bugs.ruby-lang.org/issues/11665

[ko1 (Koichi Sasada)]

• Related to Feature #11665: Support nested functions for better code organization added

[hsbt (Hiroshi SHIBATA)]

• Status changed from Open to Assigned