Generate code for static variables that don't have initializers. Also, report an error if a static initializer is not constant.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@43058 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/static-init.c b/test/Sema/static-init.c
new file mode 100644
index 0000000..e710973
--- /dev/null
+++ b/test/Sema/static-init.c
@@ -0,0 +1,3 @@
+// RUN: clang -fsyntax-only -verify %s
+static int f = 10;
+static int b = f; // expected-error {{initializer element is not constant}}