Add test of function level static variables.

test/CodeGeneration/Statics.C

@@ -0,0 +1,41 @@
+//------------------------------------------------------------------------------
+// CLING - the C++ LLVM-based InterpreterG :)
+//
+// This file is dual-licensed: you can choose to license it under the University
+// of Illinois Open Source License or the GNU Lesser General Public License. See
+// LICENSE.TXT for details.
+//------------------------------------------------------------------------------
+
+// RUN: cat %s | %cling -Xclang -verify 2>&1 | FileCheck %s
+
+#include <stdio.h>
+
+struct TERD {
+    const char *Name;
+    TERD(const char *N) : Name(N) { printf("TERD::TERD::%s\n", Name); }
+    ~TERD() { printf("TERD::~TERD::%s\n", Name); }
+};
+static TERD& inst01() {
+    static TERD st01("inst01");
+    return st01;
+}
+static TERD& inst02() {
+    static TERD st02("inst02");
+    return st02;
+}
+
+inst01();
+inst01();
+inst01();
+//      CHECK: TERD::TERD::inst01
+
+inst02();
+inst02();
+inst02();
+// CHECK-NEXT: TERD::TERD::inst02
+
+// expected-no-diagnostics
+.q
+
+// CHECK-NEXT: TERD::~TERD::inst02
+// CHECK-NEXT: TERD::~TERD::inst01