Update of /cvsroot/monetdb/pathfinder/compiler/core
In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv5910/compiler/core
Modified Files:
coreopt.brg simplify.brg
Log Message:
[ 1607210 ] XQ: server-side compilation crash (member benchmark)
- introduced a stack fence that aborts too deep recursion
only enabled in embedded mode (to keep Mserver alive on bad queries)
Index: simplify.brg
===================================================================
RCS file: /cvsroot/monetdb/pathfinder/compiler/core/simplify.brg,v
retrieving revision 1.28
retrieving revision 1.29
diff -u -d -r1.28 -r1.29
--- simplify.brg 19 Jan 2007 09:35:16 -0000 1.28
+++ simplify.brg 25 May 2007 21:55:20 -0000 1.29
@@ -411,6 +411,8 @@
old_state_label = STATE_LABEL(p);
+ PFrecursion_fence();
+
do {
rewrite_again = false;
manual = false;
Index: coreopt.brg
===================================================================
RCS file: /cvsroot/monetdb/pathfinder/compiler/core/coreopt.brg,v
retrieving revision 1.47
retrieving revision 1.48
diff -u -d -r1.47 -r1.48
--- coreopt.brg 24 May 2007 07:28:51 -0000 1.47
+++ coreopt.brg 25 May 2007 21:55:20 -0000 1.48
@@ -406,6 +406,8 @@
bool rewritten;
short old_state_label;
+ PFrecursion_fence();
+
do {
/* determine rule that matches for this non-terminal */
rule = PFcoreopt_rule (STATE_LABEL (p), goalnt);
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