Update of /cvsroot/monetdb/pathfinder/compiler/core
In directory 
sfp-cvsdas-1.v30.ch3.sourceforge.com:/tmp/cvs-serv28994/compiler/core

Modified Files:
        coreopt.brg 
Log Message:
propagated changes of Sunday Nov 22 2009 - Saturday Nov 28 2009
from the Nov2009 branch to the development trunk

  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  2009/11/22 - stmane: compiler/core/coreopt.brg,1.76.6.1
  
  some more defensive checks
  for recusions running out of stack space
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


Index: coreopt.brg
===================================================================
RCS file: /cvsroot/monetdb/pathfinder/compiler/core/coreopt.brg,v
retrieving revision 1.80
retrieving revision 1.81
diff -u -d -r1.80 -r1.81
--- coreopt.brg 10 Nov 2009 16:16:53 -0000      1.80
+++ coreopt.brg 28 Nov 2009 19:57:57 -0000      1.81
@@ -574,6 +574,9 @@
 {
     bool          rewritten = false;
 
+    /* guard against too dep recursion */
+    PFrecursion_fence();
+
     switch (rule) {
         /* CoreExpr:           flwr (for_ (forbind (forvars (var, nil),
                                                     CoreExpr),


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