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Our NumericLiteral is backed by a BigDecimal which cannot represent the special float values NaN, infinity or negative zero. As a result, when evaluating constant expressions from the FE we hit an exception when trying to create a NumericLiteral from a NaN or infinity value. Before, negative zero would silently get converted to zero which is dangerous. The fix is to treat the expr evaluation as a failure and not replace the constant Expr with a LiteralExpr. Change-Id: I8243b2ee9fa9c470d078b385583f2f48b606a230 Reviewed-on: http://gerrit.cloudera.org:8080/5050 Reviewed-by: Alex Behm <alex.behm@cloudera.com> Tested-by: Internal Jenkins