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-rw-r--r--clang/test/Analysis/null-deref-ps.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/clang/test/Analysis/null-deref-ps.c b/clang/test/Analysis/null-deref-ps.c
index 028eaabc492..e0dddc8a59b 100644
--- a/clang/test/Analysis/null-deref-ps.c
+++ b/clang/test/Analysis/null-deref-ps.c
@@ -52,6 +52,27 @@ int f4(int *p) {
return *q; // expected-warning{{Dereference of null pointer.}}
}
+int f4_b() {
+ short array[2];
+ uintptr_t x = array; // expected-warning{{incompatible pointer to integer conversion initializing}}
+ short *p = x; // expected-warning{{incompatible integer to pointer conversion initializing}}
+
+ // The following branch should be infeasible.
+ if (!(p = &array[0])) {
+ p = 0;
+ *p = 1; // no-warning
+ }
+
+ if (p) {
+ *p = 5; // no-warning
+ p = 0;
+ }
+ else return;
+
+ *p += 10; // expected-warning{{Dereference of null pointer}}
+}
+
+
int f5() {
char *s = "hello world";
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