New testcase for PR269

llvm-svn: 12211

llvm/test/Regression/CFrontend/2004-03-07-BitfieldCrash.c

+
+struct s {
+  unsigned long long u33: 33;
+  unsigned long long u40: 40;
+};
+
+struct s a = { 1, 2};
+
+int foo() {
+  return a.u40;
+}