vendor/clang/clang-r72732

1 files changed, 44 insertions, 0 deletions

diff --git a/test/Analysis/stack-addr-ps.c b/test/Analysis/stack-addr-ps.c
new file mode 100644
index 000000000000..4bc9a7def2c8
--- /dev/null
+++ b/test/Analysis/stack-addr-ps.c
@@ -0,0 +1,44 @@
+// RUN: clang-cc -analyze -checker-simple -verify %s &&
+// RUN: clang-cc -analyze -checker-cfref -analyzer-store=basic -verify %s &&
+// RUN: clang-cc -analyze -checker-cfref -analyzer-store=region -verify %s
+
+#include <stdlib.h>
+
+int* f1() {
+  int x = 0;
+  return &x; // expected-warning{{Address of stack memory associated with local variable 'x' returned.}} expected-warning{{address of stack memory associated with local variable 'x' returned}}
+}
+
+int* f2(int y) {
+  return &y;  // expected-warning{{Address of stack memory associated with local variable 'y' returned.}} expected-warning{{address of stack memory associated with local variable 'y' returned}}
+}
+
+int* f3(int x, int *y) {
+  int w = 0;
+  
+  if (x)
+    y = &w;
+    
+  return y; // expected-warning{{Address of stack memory associated with local variable 'w' returned.}}
+}
+
+void* compound_literal(int x, int y) {
+  if (x)
+    return &(unsigned short){((unsigned short)0x22EF)}; // expected-warning{{Address of stack memory}}
+
+  int* array[] = {};
+  struct s { int z; double y; int w; };
+  
+  if (y)
+    return &((struct s){ 2, 0.4, 5 * 8 }); // expected-warning{{Address of stack memory}}
+    
+  
+  void* p = &((struct s){ 42, 0.4, x ? 42 : 0 });
+  return p; // expected-warning{{Address of stack memory}}
+}
+
+void* alloca_test() {
+  void* p = __builtin_alloca(10);
+  return p; // expected-warning{{Address of stack memory}}
+}
+