Predicate parameterDefUsePair
Holds if there exists a path from the entry-point of the callable to use without
passing through a VariableUpdate of the parameter p that use refers to.
Other paths may also exist, so the SSA variables can be different.
Import path
import semmle.code.java.dataflow.DefUse
predicate
parameterDefUsePair
(
Parameter
p
,
RValue
use
)