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Fix crash on expression range calculation When attempting to calculate the range of a NULL expression, just indicate failure and bail out rather than dereferencing the expression and crashing out with no feedback.
author William Astle <lost@l-w.ca>
date Wed, 30 Jan 2013 21:47:15 -0700
parents 1f1a28b797e1
children 3b5a45c6ab92
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255:67acad9db5b3 256:bc25269d96bc