1 files changed, 45 insertions, 0 deletions
diff --git a/test/Sema/warn-shadow.c b/test/Sema/warn-shadow.c
new file mode 100644
index 0000000..c9a783b
--- /dev/null
+++ b/test/Sema/warn-shadow.c
@@ -0,0 +1,45 @@
+// RUN: %clang_cc1 -verify -fsyntax-only -fblocks -Wshadow %s
+
+int i;          // expected-note 3 {{previous declaration is here}}
+
+void foo() {
+  int pass1;
+  int i;        // expected-warning {{declaration shadows a variable in the global scope}} \
+                // expected-note {{previous declaration is here}}
+  {
+    int pass2;
+    int i;      // expected-warning {{declaration shadows a local variable}} \
+                // expected-note {{previous declaration is here}}
+    {
+      int pass3;
+      int i;    // expected-warning {{declaration shadows a local variable}}
+    }
+  }
+
+  int sin; // okay; 'sin' has not been declared, even though it's a builtin.
+}
+
+// <rdar://problem/7677531>
+void (^test1)(int) = ^(int i) { // expected-warning {{declaration shadows a variable in the global scope}} \
+                                 // expected-note{{previous declaration is here}}
+  {
+    int i; // expected-warning {{declaration shadows a local variable}} \
+           // expected-note{{previous declaration is here}}
+    
+    (^(int i) { return i; })(i); //expected-warning {{declaration shadows a local variable}}
+  }
+};
+
+
+struct test2 {
+  int i;
+};
+
+void test3(void) {
+  struct test4 {
+    int i;
+  };
+}
+
+void test4(int i) { // expected-warning {{declaration shadows a variable in the global scope}}
+}