Added extra test case to check proper handling of archaic array indexing: 4[A]
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41147 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/return-stack-addr.cpp b/test/Sema/return-stack-addr.cpp
new file mode 100644
index 0000000..a613b6b
--- /dev/null
+++ b/test/Sema/return-stack-addr.cpp
@@ -0,0 +1,89 @@
+// RUN: clang -parse-ast-check %s
+
+
+int* ret_local() {
+ int x = 1;
+ return &x; // expected-warning {{address of stack memory}}
+}
+
+int* ret_local_array() {
+ int x[10];
+ return x; // expected-warning {{address of stack memory}}
+}
+
+int* ret_local_array_element(int i) {
+ int x[10];
+ return &x[i]; // expected-warning {{address of stack memory}}
+}
+
+int *ret_local_array_element_reversed(int i) {
+ int x[10];
+ return &i[x]; // expected-warning {{address of stack memory}}
+}
+
+int* ret_local_array_element_const_index() {
+ int x[10];
+ return &x[2]; // expected-warning {{address of stack memory}}
+}
+
+int& ret_local_ref() {
+ int x = 1;
+ return x; // expected-warning {{reference to stack memory}}
+}
+
+int* ret_local_addrOf() {
+ int x = 1;
+ return &*&x; // expected-warning {{address of stack memory}}
+}
+
+int* ret_local_addrOf_paren() {
+ int x = 1;
+ return (&(*(&x))); // expected-warning {{address of stack memory}}
+}
+
+int* ret_local_addrOf_ptr_arith() {
+ int x = 1;
+ return &*(&x+1); // expected-warning {{address of stack memory}}
+}
+
+int* ret_local_addrOf_ptr_arith2() {
+ int x = 1;
+ return &*(&x+1); // expected-warning {{address of stack memory}}
+}
+
+int* ret_local_field() {
+ struct { int x; } a;
+ return &a.x; // expected-warning {{address of stack memory}}
+}
+
+int& ret_local_field_ref() {
+ struct { int x; } a;
+ return a.x; // expected-warning {{reference to stack memory}}
+}
+
+int* ret_conditional(bool cond) {
+ int x = 1;
+ int y = 2;
+ return cond ? &x : &y; // expected-warning {{address of stack memory}}
+}
+
+int* ret_conditional_rhs(int *x, bool cond) {
+ int y = 1;
+ return cond ? x : &y; // expected-warning {{address of stack memory}}
+}
+
+void* ret_c_cast() {
+ int x = 1;
+ return (void*) &x; // expected-warning {{address of stack memory}}
+}
+
+int* ret_static_var() {
+ static int x = 1;
+ return &x; // no warning.
+}
+
+int z = 1;
+
+int* ret_global() {
+ return &z; // no warning.
+}
\ No newline at end of file