Description of problem:
Platform issue for DROOLS-1037 to fix the following RuntimeException during compilation:

java.lang.RuntimeException

	at org.drools.compiler.rule.builder.PatternBuilder.rewriteCompositeExpressions(PatternBuilder.java:924)

	at org.drools.compiler.rule.builder.PatternBuilder.rewriteCompositeExpressions(PatternBuilder.java:919)

	at org.drools.compiler.rule.builder.PatternBuilder.rewriteOrExpressions(PatternBuilder.java:893)

	at org.drools.compiler.rule.builder.PatternBuilder.buildExpression(PatternBuilder.java:889)

	at org.drools.compiler.rule.builder.PatternBuilder.buildCcdDescr(PatternBuilder.java:860)

	at org.drools.compiler.rule.builder.PatternBuilder.build(PatternBuilder.java:715)

	at org.drools.compiler.rule.builder.PatternBuilder.processConstraintsAndBinds(PatternBuilder.java:580)


Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. Build a rule with the following LHS: 
$p : Person( name == null || (name in (\"Alice\", \"Charlie\", \"David\"))==false )
2. Try to compile the package


Actual results:
Build fails with RuntimeException

Expected results:
Build is successful

Additional info:
Changing the constraint to the following works as well:
$p : Person( name == null || (name not in (\"Alice\", \"Charlie\", \"David\")) )