Update of /cvsroot/monetdb/pathfinder/compiler/core
In directory 
sfp-cvsdas-1.v30.ch3.sourceforge.com:/tmp/cvs-serv16072/compiler/core

Modified Files:
      Tag: M5XQ
        coreopt.brg 
Log Message:
propagated changes of Saturday Nov 28 2009
from the XQFT branch to the M5XQ branch

  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  2009/11/28 - stmane: compiler/core/coreopt.brg,1.78.2.2
  propagated changes of Saturday Nov 28 2009
  from the development trunk to the XQFT branch
  
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    2009/11/28 - stmane: compiler/core/coreopt.brg,1.81
    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 1.75.4.4
retrieving revision 1.75.4.5
diff -u -d -r1.75.4.4 -r1.75.4.5
--- coreopt.brg 10 Nov 2009 18:58:17 -0000      1.75.4.4
+++ coreopt.brg 28 Nov 2009 21:28:59 -0000      1.75.4.5
@@ -590,6 +590,9 @@
 {
     bool          rewritten = false;
 
+    /* guard against too dep recursion */
+    PFrecursion_fence();
+
     switch (rule) {
         /* CoreExpr:           flwr (for_ (forbind (forvars (var, nil),
                                                     CoreExpr),


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