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-rw-r--r--test/SemaCXX/offsetof.cpp37
1 files changed, 36 insertions, 1 deletions
diff --git a/test/SemaCXX/offsetof.cpp b/test/SemaCXX/offsetof.cpp
index 3283270..47c3f22 100644
--- a/test/SemaCXX/offsetof.cpp
+++ b/test/SemaCXX/offsetof.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify %s -Winvalid-offsetof
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -fsyntax-only -verify %s -Winvalid-offsetof
struct NonPOD {
virtual void f();
@@ -18,3 +18,38 @@ struct Derived : Base { int y; };
int o = __builtin_offsetof(Derived, x); // expected-warning{{offset of on non-POD type}}
const int o2 = sizeof(__builtin_offsetof(Derived, x));
+
+struct HasArray {
+ int array[17];
+};
+
+// Constant and non-constant offsetof expressions
+void test_ice(int i) {
+ 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'}}
+
+// offsetof referring to members of a base class.
+struct Base1 {
+ int x;
+};
+
+struct Base2 {
+ int y;
+};
+
+struct Derived2 : public Base1, public Base2 {
+ int z;
+};
+
+int derived1[__builtin_offsetof(Derived2, x) == 0? 1 : -1];
+int derived2[__builtin_offsetof(Derived2, y) == 4? 1 : -1];
+int derived3[__builtin_offsetof(Derived2, z) == 8? 1 : -1];
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