1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.bugs/900121_05.C b/gcc/testsuite/g++.old-deja/g++.bugs/900121_05.C
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index 0000000..03155ab
--- /dev/null
+++ b/gcc/testsuite/g++.old-deja/g++.bugs/900121_05.C
@@ -0,0 +1,30 @@
+// g++ 1.36.1 bug 900121_05
+
+// g++ allows unions to have base types (i.e. to be "derived") and it allows
+// other types to have unions as base types.  Both cases are illegal.
+
+// g++ curently does not detect such errors.
+
+// Cfront 2.0 passes this test.
+
+// keywords: unions, inheritance
+
+struct s0 {
+  int s0_member;
+};
+
+union u0 : public s0 {			/* ERROR - union has base class */
+  int u0_member_0;
+  int u0_member_1;
+};
+
+union u1 {
+  int u1_member_0;
+  int u1_member_1;
+};
+
+struct s1 : public u1 {			/* ERROR - base class is a union */
+  int s1_member_0;
+};
+
+int main () { return 0; }