[RFA][PATCH][PR middle-end/61118] Improve tree CFG accuracy for setjmp/longjmp

[Michael Matz]

Hi,

On Thu, 8 Mar 2018, Richard Biener wrote:

> Or re-do the warning?  Since in the other thread about setjmp side-effects
> we concluded that setjmp has to preserve all call-saved regs?

Even worse.  On SPARC setjmp clobbers even more than just call-clobbered 
regs (!).


Ciao,
Michael.