Vendor import of clang release_34 branch r197841 (effectively, 3.4 RC3):

https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841

1 files changed, 23 insertions, 0 deletions

diff --git a/test/Analysis/live-variables.cpp b/test/Analysis/live-variables.cpp
new file mode 100644
index 0000000..0cfaa1b
--- /dev/null
+++ b/test/Analysis/live-variables.cpp
@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=core -verify %s
+// expected-no-diagnostics
+class B {
+public:
+  bool m;
+  ~B() {} // The destructor ensures that the binary logical operator below is wrapped in the ExprWithCleanups.
+};
+B foo();
+int getBool();
+int *getPtr();
+int test() {
+  int r = 0;
+  for (int x = 0; x< 10; x++) {
+    int *p = getPtr();
+    // Liveness info is not computed correctly due to the following expression.
+    // This happens due to CFG being special cased for short circuit operators.
+    // PR18159
+    if (p != 0 && getBool() && foo().m && getBool()) {
+      r = *p; // no warning
+    }
+  }
+  return r;
+}