implement codegen support for sizeof(void), fixing PR2080.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@47429 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/exprs.c b/test/CodeGen/exprs.c
index 16b63f8..b4384ee 100644
--- a/test/CodeGen/exprs.c
+++ b/test/CodeGen/exprs.c
@@ -23,3 +23,14 @@
   bp -= (short)1;
 }
 
+// PR2080 - sizeof void
+int t1 = sizeof(void);
+int t2 = __alignof__(void);
+void test4() {
+  t1 = sizeof(void);
+  t2 = __alignof__(void);
+  
+  t1 = sizeof(test4());
+  t2 = __alignof__(test4());
+}
+