zero-width bit-field

git-svn-id: svn+ssh://svn.cprover.org/srv/svn/cbmc/trunk@4020 6afb6bc1-c8e4-404c-8f48-9ae832c5b171

regression/ansi-c/Struct_Bitfields1/main.c

@@ -22,6 +22,15 @@ struct S2
 
 STATIC_ASSERT(sizeof(struct S2)==sizeof(char));
 
+struct S3
+{
+  char my_bit : 1;
+  int : 0; // zero width, causes padding to alignment of int
+  char other;
+};
+
+STATIC_ASSERT(sizeof(struct S3)==sizeof(int)+sizeof(char));
+
 int main()
 {
 }