Re: [ID 20000127.002] 5.005_63 `Out of memory' on trivial program with

[Ilya Zakharevich <ilya@math.ohio-state.edu>]

On Fri, Jan 28, 2000 at 09:01:53AM -0800, Gurusamy Sarathy wrote:
> 
> It appears that rx->lastparen is uninitialized, and that's what magic_regdata_cnt()
> returns.

Yes, the do-not-invoke-REx-engine optimization was not storing enough data.

--- ./pp_hot.c~	Fri Dec 24 17:59:24 1999
+++ ./pp_hot.c	Sat Jan 29 01:39:40 2000
@@ -1045,6 +1045,7 @@ yup:					/* Confirmed by INTUIT */
 	rx->startp[0] = s - truebase;
 	rx->endp[0] = s - truebase + rx->minlen;
     }
+    rx->nparens = rx->lastparen = 0;	/* used by @- and @+ */
     LEAVE_SCOPE(oldsave);
     RETPUSHYES;

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References to:

Ilya Zakharevich <ilya@math.ohio-state.edu>

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