Replace `ifNil:[...]` with `isNil ifTrue:[...]`
The latter is optimized by compilers and therefore faster.
"{ Package: 'stx:goodies/petitparser/compiler/benchmarks' }"
"{ NameSpace: Smalltalk }"
PPSmalltalkGrammarTests subclass:#PPCSmalltalkNoopParserTests
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Benchmarks-Parsers-Tests'
!
!PPCSmalltalkNoopParserTests methodsFor:'accessing'!
parserClass
^ PPCSmalltalkNoopParser
"Created: / 15-05-2015 / 09:00:45 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !