explicitly document that return statement argument does not necessarily follow the result type of the function.  Add testcase.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@46823 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/statements.c b/test/CodeGen/statements.c
index 46d19db..4092121 100644
--- a/test/CodeGen/statements.c
+++ b/test/CodeGen/statements.c
@@ -1,9 +1,13 @@
-// RUN: clang %s -emit-llvm
+// RUN: clang < %s -emit-llvm
 
-void foo(int x) {
+void test1(int x) {
 switch (x) {
 case 111111111111111111111111111111111111111:
 bar();
 }
 }
 
+// Mismatched type between return and function result.
+int test2() { return; }
+void test3() { return 4; }
+