[analyzer] Fix lack of coverage after empty inlined function.

We should not stop exploring the path after we return from an empty
function.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157859 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/coverage.c b/test/Analysis/coverage.c
index 73d78da..8116913 100644
--- a/test/Analysis/coverage.c
+++ b/test/Analysis/coverage.c
@@ -92,3 +92,11 @@
   function_which_gives_up_settonull(&x);
   y = (*x);  // no warning
 }
+
+static void empty_function(){
+}
+int use_empty_function(int x) {
+    x = 0;
+    empty_function();
+    return 5/x; //expected-warning {{Division by zero}}
+}