Merge branch 'master' of ssh://bitbucket.org/czan/honours

1 files changed, 75 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/offsetof.cpp b/clang/test/SemaCXX/offsetof.cpp
new file mode 100644
index 0000000..a5f5d34
--- /dev/null
+++ b/clang/test/SemaCXX/offsetof.cpp
@@ -0,0 +1,75 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -fsyntax-only -verify %s -Winvalid-offsetof
+
+struct NonPOD {
+  virtual void f();
+  int m;
+};
+
+struct P {
+  NonPOD fieldThatPointsToANonPODType;
+};
+
+void f() {
+  int i = __builtin_offsetof(P, fieldThatPointsToANonPODType.m); // expected-warning{{offset of on non-POD type 'P'}}
+}
+
+struct Base { int x; };
+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])];
+}
+
+// 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];
+
+// offsetof referring to anonymous struct in base.
+// PR7769
+struct foo {
+    struct {
+        int x;
+    };
+};
+
+struct bar : public foo  {
+};
+
+int anonstruct[__builtin_offsetof(bar, x) == 0 ? 1 : -1];
+
+struct LtoRCheck {
+  int a[10];
+  int f();
+};
+int ltor = __builtin_offsetof(struct LtoRCheck, a[LtoRCheck().f]); // \
+  expected-error {{reference to non-static member function must be called}}