This metabug is used to track all the patches which have been written during
Stage 3 of GCC 4.3 but do not qualify for that stage, and are waiting for Stage
1 of GCC 4.4 to be applied.
Please, do not attacch the patches to this bug. Open a new bug report, and mark
it as "blocking" this metabug (this metabug will "depend" on the new bug
Add alias to this bug.
Add link to PR17843 -- Warning not given for unreachable code in a switch
In this case a boolean condition; Does not use (the already a bit convoluted) VRP.
Since stage1 is over closing as done.