Strange warning (variable might be clobbered by `longjmp' or

[Richard Henderson]

> I don't know if it's relavent, but gcc knows that certain functions return
> twice (setjmp, sigsetjmp, savectx, qsetjmp, etc etc).   By emitting rtl
> itself to perform the actions of setjmp/longjmp we may be defeating the
> purpose of the code to determine that some calls may return twice.

But in those cases, there's an actual call in the RTL.  In this
case there is not. 

In any case, what's the point of setting a pseudo and testing when
you have more or less direct control over the assembly and can arrange
for things to jump the right place directly.


r~