Change the --smc-check default value to =all-non-file.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15601 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/perf/bigcode2.vgperf b/perf/bigcode2.vgperf
index e4a42c9..d7de3a1 100644
--- a/perf/bigcode2.vgperf
+++ b/perf/bigcode2.vgperf
@@ -1,2 +1,3 @@
 prog: bigcode
 args: 0
+vgopts: --smc-check=stack