ref: b0adb79178a5a00e843c6ac27ce0e1bcd2bec9d8
parent: 178a86197b8b769bac35a7032313572551614a4d
author: Simon Tatham <anakin@pobox.com>
date: Fri Jul 29 07:34:02 EDT 2005
Ben Hutchings reports that gcc 4 gives an optimiser warning because it can't tell that one branch of a particular switch is always taken. Adding a default clause with an automatic assertion failure apparently fixes it. [originally from svn r6148]