Add a test case for PR1420

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37082 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 35 insertions, 0 deletions

diff --git a/test/C++Frontend/2007-05-15-FieldAccess.cpp b/test/C++Frontend/2007-05-15-FieldAccess.cpp
new file mode 100644
index 0000000..d2e5b22
--- /dev/null
+++ b/test/C++Frontend/2007-05-15-FieldAccess.cpp
@@ -0,0 +1,35 @@
+// Test case for PR1420
+// RUN: %llvmgxx %s -O0 -o %t.exe 
+// RUN: %t.exe > %t.out
+// RUN: grep {sizeof(bitFieldStruct) == 8} %t.out
+// RUN: grep {Offset bitFieldStruct.i = 0} %t.out
+// RUN: grep {Offset bitFieldStruct.c2 = 7} %t.out
+// XFAIL: *
+
+#include <stdio.h>
+
+class bitFieldStruct {
+  public:
+    int i;
+    unsigned char c:7;
+    int s:17;
+    char c2;
+};
+
+int main()
+{
+  printf("sizeof(bitFieldStruct) == %d\n", sizeof(bitFieldStruct));
+
+  if (sizeof(bitFieldStruct) != 2 * sizeof(int))
+    printf("bitFieldStruct should be %d but is %d \n", 
+            2 * sizeof(int), sizeof(bitFieldStruct));
+
+  bitFieldStruct x;
+  
+  char* xip = (char*) &x.i;
+  char* xc2p = (char*) &x.c2;
+  printf("Offset bitFieldStruct.i = %d\n", xip - xip);
+  printf("Offset bitFieldStruct.c2 = %d\n", xc2p - xip);
+
+  return 0;
+}