Yasuo Honda 2944d2cdd6
FIX: Ruby 3 does not freeze interpolated string (#14567)
Ruby 2.7 or earlier `+contents` returns self.dup
when `frozen_string_literal: true`. However, Ruby 3.0 returns self
because this string is interpolated one, which is not frozen anymore.

This commit uses self.dup to return duplicated string regardless Ruby
versions.
https://bugs.ruby-lang.org/issues/17104
2021-10-11 13:20:18 +11:00
..