[perl #70614] Seg. fault with eval/use/UNITCHECK/DESTROY/eval combination

On Tue Mar 16 07:12:13 2010, sprout wrote:
> This case can be reduced to:
> eval "UNITCHECK{ eval 0 }"
> 
> (eval 0 triggers the bug more reliably than eval ''.)
> 
> The inner eval clobbers PL_eval_start, so when the UNITCHECK finishes,  
> the outer eval tries to call the inner eval’s code, which has been  
> freed already.
> 
> The attached patch saves PL_eval_start and restores it after UNITCHECK.

Applied as 8ed49485fa2d8dfdc87e0a7a269aa210d3e6da83.

• [perl #70614] Seg. fault with eval/use/UNITCHECK/DESTROY/eval combination by Father Chrysostomos via RT