Import Clang, at r72732.

1 files changed, 30 insertions, 0 deletions

diff --git a/test/SemaCXX/warn-for-var-in-else.cpp b/test/SemaCXX/warn-for-var-in-else.cpp
new file mode 100644
index 0000000..3368da2
--- /dev/null
+++ b/test/SemaCXX/warn-for-var-in-else.cpp
@@ -0,0 +1,30 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+// rdar://6425550
+int bar();
+void do_something(int);
+
+int foo() {
+  if (int X = bar()) {
+    return X;
+  } else {
+    do_something(X); // expected-warning{{'X' is always zero in this context}}
+  }
+}
+
+bool foo2() {
+  if (bool B = bar()) {
+    if (int Y = bar()) {
+      return B;
+    } else {
+      do_something(Y); // expected-warning{{'Y' is always zero in this context}}
+      return B;
+    }
+  } else {
+    if (bool B2 = B) { // expected-warning{{'B' is always false in this context}}
+      do_something(B); // expected-warning{{'B' is always false in this context}}
+    } else if (B2) {  // expected-warning{{'B2' is always false in this context}}
+      do_something(B); // expected-warning{{'B' is always false in this context}}
+    }
+    return B; // expected-warning{{'B' is always false in this context}}
+  }
+}