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-rw-r--r--lib/prism/node_ext.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/prism/node_ext.rb b/lib/prism/node_ext.rb
index 4ec7c3014c..8674544065 100644
--- a/lib/prism/node_ext.rb
+++ b/lib/prism/node_ext.rb
@@ -55,6 +55,7 @@ module Prism
def to_interpolated
InterpolatedStringNode.new(
source,
+ frozen? ? InterpolatedStringNodeFlags::FROZEN : 0,
opening_loc,
[copy(opening_loc: nil, closing_loc: nil, location: content_loc)],
closing_loc,