-Wuninitialized: don't warn about uninitialized variables in unreachable code.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128840 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/uninit-variables.cpp b/test/SemaCXX/uninit-variables.cpp
index 77cbcf7..6fa59fe 100644
--- a/test/SemaCXX/uninit-variables.cpp
+++ b/test/SemaCXX/uninit-variables.cpp
@@ -70,3 +70,11 @@
   virtual void bar(void) const;
 };
 void Rdar9188004C::bar(void) const {}
+
+// Don't warn about uninitialized variables in unreachable code.
+void PR9625() {
+  if (false) {
+    int x;
+    (void)static_cast<float>(x); // no-warning
+  }
+}