CodeQL library for Ruby
codeql/ruby-all 4.1.3-dev (changelog, source)
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Predicate Make::Consistency::phiWithoutTwoPriorRefs

Holds if phi has less than 2 immediately prior references.

Import path

import codeql.ssa.Ssa
predicate phiWithoutTwoPriorRefs(PhiNode phi, int inputRefs)