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-rw-r--r--lib/rubygems/resolver/index_specification.rb5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/rubygems/resolver/index_specification.rb b/lib/rubygems/resolver/index_specification.rb
index 45ff130a14..2aa6b419ba 100644
--- a/lib/rubygems/resolver/index_specification.rb
+++ b/lib/rubygems/resolver/index_specification.rb
@@ -43,9 +43,12 @@ class Gem::Resolver::IndexSpecification < Gem::Resolver::Specification
##
# The required_rubygems_version constraint for this specification
#
+ # A fallback is included because the original version of the specification
+ # API didn't include that field, so some marshalled specs in the index have it
+ # set to +nil+.
def required_rubygems_version
- spec.required_rubygems_version
+ spec.required_rubygems_version || Gem::Requirement.default
end
def ==(other)