Vendor import of clang trunk r130700:

http://llvm.org/svn/llvm-project/cfe/trunk@130700

1 files changed, 23 insertions, 0 deletions

diff --git a/test/SemaCXX/uninit-variables-conditional.cpp b/test/SemaCXX/uninit-variables-conditional.cpp
new file mode 100644
index 0000000..3324215
--- /dev/null
+++ b/test/SemaCXX/uninit-variables-conditional.cpp
@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 -fsyntax-only -Wconditional-uninitialized -fsyntax-only %s -verify
+
+class Foo {
+public:
+  Foo();
+  ~Foo();
+  operator bool();
+};
+
+int bar();
+int baz();
+int init(double *);
+
+// This case flags a false positive under -Wconditional-uninitialized because
+// the destructor in Foo fouls about the minor bit of path-sensitivity in
+// -Wuninitialized.
+double test() {
+  double x; // expected-note {{variable 'x' is declared here}} expected-note{{add initialization to silence this warning}}
+  if (bar() || baz() || Foo() || init(&x))
+    return 1.0;
+
+  return x; // expected-warning {{variable 'x' may be uninitialized when used here}}
+}