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-rw-r--r--test/CodeGenCXX/2007-04-05-PackedBitFieldsSmall.cpp27
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGenCXX/2007-04-05-PackedBitFieldsSmall.cpp b/test/CodeGenCXX/2007-04-05-PackedBitFieldsSmall.cpp
new file mode 100644
index 000000000000..b31f95fa3b8a
--- /dev/null
+++ b/test/CodeGenCXX/2007-04-05-PackedBitFieldsSmall.cpp
@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -emit-llvm %s -o -
+
+
+#ifdef PACKED
+// This is an example where size of Packed struct is smaller then
+// the size of bit field type.
+#define P __attribute__((packed))
+#else
+#define P
+#endif
+
+struct P M_Packed {
+ unsigned long long X:50;
+ unsigned Y:2;
+};
+
+struct M_Packed sM_Packed;
+
+int testM_Packed (void) {
+ struct M_Packed x;
+ return (0 != x.Y);
+}
+
+int testM_Packed2 (void) {
+ struct M_Packed x;
+ return (0 != x.X);
+}