MonetDB: Oct2010 - Don't access value that doesn't exist.

[Sjoerd Mullender]

Changeset: c8532004665e for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=c8532004665e
Modified Files:
        MonetDB5/src/mal/mal_instruction.mx
Branch: Oct2010
Log Message:

Don't access value that doesn't exist.


diffs (12 lines):

diff -r c4ef06d86a7d -r c8532004665e MonetDB5/src/mal/mal_instruction.mx
--- a/MonetDB5/src/mal/mal_instruction.mx       Sat Oct 09 15:35:58 2010 +0200
+++ b/MonetDB5/src/mal/mal_instruction.mx       Mon Oct 11 14:20:38 2010 +0200
@@ -2643,7 +2643,7 @@
                advance(t,base,len);
        }
        /* @:performanceData@ */
-       if (isTmpVar(mb, getArg(p, 0))) {
+       if (p->argc > 0 && isTmpVar(mb, getArg(p, 0))) {
                if (isVarUsed(mb, getDestVar(p))) {
                        snprintf(nmebuf, PATHLENGTH, "%c%d", TMPMARKER, 
getVarTmp(mb, getArg(p, 0)));
                } else
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