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-rw-r--r--test/Analysis/misc-ps-region-store.m22
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Analysis/misc-ps-region-store.m b/test/Analysis/misc-ps-region-store.m
index 21a54c3..898a33e 100644
--- a/test/Analysis/misc-ps-region-store.m
+++ b/test/Analysis/misc-ps-region-store.m
@@ -888,3 +888,25 @@ char *rdar_7242010(int count, char **y) {
return y[0]; // no-warning
}
+//===----------------------------------------------------------------------===//
+// <rdar://problem/7770737>
+//===----------------------------------------------------------------------===//
+
+struct rdar_7770737_s { intptr_t p; };
+void rdar_7770737_aux(struct rdar_7770737_s *p);
+int rdar_7770737(void)
+{
+ int x;
+
+ // Previously 'f' was not properly invalidated, causing the use of
+ // an uninitailized value below.
+ struct rdar_7770737_s f = { .p = (intptr_t)&x };
+ rdar_7770737_aux(&f);
+ return x; // no-warning
+}
+int rdar_7770737_pos(void)
+{
+ int x;
+ struct rdar_7770737_s f = { .p = (intptr_t)&x };
+ return x; // expected-warning{{Undefined or garbage value returned to caller}}
+}
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