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-rw-r--r--actionview/lib/action_view/template/resolver.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/actionview/lib/action_view/template/resolver.rb b/actionview/lib/action_view/template/resolver.rb
index db3cff71df..5027303e86 100644
--- a/actionview/lib/action_view/template/resolver.rb
+++ b/actionview/lib/action_view/template/resolver.rb
@@ -16,7 +16,7 @@ module ActionView
alias_method :partial?, :partial
def self.build(name, prefix, partial)
- virtual = "".dup
+ virtual = +""
virtual << "#{prefix}/" unless prefix.empty?
virtual << (partial ? "_#{name}" : name)
new name, prefix, partial, virtual