Fix broken CFG when an initializer is a statement expression that starts with a while loop (PR 12325).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153242 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 15 insertions, 0 deletions

diff --git a/test/SemaCXX/uninitialized.cpp b/test/SemaCXX/uninitialized.cpp
index 9550682918..15c06eb421 100644
--- a/test/SemaCXX/uninitialized.cpp
+++ b/test/SemaCXX/uninitialized.cpp
@@ -147,3 +147,18 @@ namespace rdar10398199 {
     (void)y;
   };
 }
+
+// PR 12325 - this was a false uninitialized value warning due to
+// a broken CFG.
+int pr12325(int params) {
+  int x = ({
+    while (false)
+      ;
+    int _v = params;
+    if (false)
+      ;
+    _v; // no-warning
+  });
+  return x;
+}
+