MonetDB: Dec2016 - Check for stack overflow due to too deep recu...

[Sjoerd Mullender]

Changeset: d1471485f261 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=d1471485f261
Modified Files:
        sql/backends/monet5/sql_gencode.c
Branch: Dec2016
Log Message:

Check for stack overflow due to too deep recursion.


diffs (12 lines):

diff --git a/sql/backends/monet5/sql_gencode.c 
b/sql/backends/monet5/sql_gencode.c
--- a/sql/backends/monet5/sql_gencode.c
+++ b/sql/backends/monet5/sql_gencode.c
@@ -973,6 +973,8 @@ static int
        InstrPtr q = NULL;
        node *n;
 
+       if (THRhighwater())
+               return -1;
        if (s) {
                if (s->nr > 0)
                        return s->nr;   /* stmt already handled */
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