[analyzer] Teach the static analyzer about CXXForRangeStmt.  Patch by Jim Goodnow II!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141587 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/misc-ps-cxx0x.cpp b/test/Analysis/misc-ps-cxx0x.cpp
index e840bb0..b00164c 100644
--- a/test/Analysis/misc-ps-cxx0x.cpp
+++ b/test/Analysis/misc-ps-cxx0x.cpp
@@ -45,3 +45,26 @@
 
   return j; // no-warning
 }
+
+
+// Test for correct handling of C++ ForRange statement.
+void test1() {
+  int array[2] = { 1, 2 };
+  int j = 0;
+  for ( int i : array )
+    j += i;
+  int *p = 0;
+  *p = 0xDEADBEEF;  // expected-warning {{null}}
+}
+
+void test2() {
+  int array[2] = { 1, 2 };
+  int j = 0;
+  for (int i : array)
+    j += i;
+  if (j == 3)
+    return;
+  int *p = 0;
+  *p = 0xDEADBEEF;  // no-warning
+}
+