Diagnose __builtin_offsetof expressions that refer to bit-fields
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102548 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/offsetof.cpp b/test/SemaCXX/offsetof.cpp
index a1d907a..4be97a9 100644
--- a/test/SemaCXX/offsetof.cpp
+++ b/test/SemaCXX/offsetof.cpp
@@ -28,3 +28,11 @@
int array0[__builtin_offsetof(HasArray, array[5])];
int array1[__builtin_offsetof(HasArray, array[i])]; // expected-error{{variable length arrays are not permitted in C++}}
}
+
+// Bitfields
+struct has_bitfields {
+ int i : 7;
+ int j : 12; // expected-note{{bit-field is declared here}}
+};
+
+int test3 = __builtin_offsetof(struct has_bitfields, j); // expected-error{{cannot compute offset of bit-field 'j'}}