Fix local declarations in chained assignments#222
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Fixes #99.
This hoists local variables that are first declared inside inline or chained assignment expressions before emitting the expression. That prevents invalid generated OpenCL such as declaring a local in the middle of
result = assignMe = value, and avoids redeclaring the same local in nested branches after the hoist.Verification:
mvn -Dstyle.color=never -Dtest=com.aparapi.codegen.test.FirstAssignInExpression2Test testwith JDK 8 andMAVEN_OPTS='-Djline.terminal=jline.UnsupportedTerminal -Dscala.color=false -Dscala.usejavacp=true'