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-rw-r--r--test/Analysis/misc-ps.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/test/Analysis/misc-ps.c b/test/Analysis/misc-ps.c
index 8ff710b12f..ef89321fff 100644
--- a/test/Analysis/misc-ps.c
+++ b/test/Analysis/misc-ps.c
@@ -133,3 +133,21 @@ int isctype(char c, unsigned long f)
return (c < 1 || c > 10) ? 0 : !!(c & f);
}
+// Test that symbolic array offsets are modeled conservatively.
+// This was triggering a false "use of uninitialized value" warning.
+void rdar_12075238__aux(unsigned long y);
+int rdar_12075238_(unsigned long count) {
+ if ((count < 3) || (count > 6))
+ return 0;
+
+ unsigned long array[6];
+ unsigned long i = 0;
+ for (; i <= count - 2; i++)
+ {
+ array[i] = i;
+ }
+ array[count - 1] = i;
+ rdar_12075238__aux(array[2]); // no-warning
+ return 0;
+}
+