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-rw-r--r--lib/rubygems/test_case.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/rubygems/test_case.rb b/lib/rubygems/test_case.rb
index aee4b75773..9edb6b48bd 100644
--- a/lib/rubygems/test_case.rb
+++ b/lib/rubygems/test_case.rb
@@ -269,7 +269,9 @@ class Gem::TestCase < MiniTest::Unit::TestCase
Gem.ensure_gem_subdirectories @gemhome
@orig_LOAD_PATH = $LOAD_PATH.dup
- $LOAD_PATH.map! { |s| File.expand_path(s).untaint }
+ $LOAD_PATH.map! { |s|
+ (expand_path = File.expand_path(s)) == s ? s : expand_path.untaint
+ }
Dir.chdir @tempdir