1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.mike/p4173.C b/gcc/testsuite/g++.old-deja/g++.mike/p4173.C
new file mode 100644
index 000000000..e07bc0695
--- /dev/null
+++ b/gcc/testsuite/g++.old-deja/g++.mike/p4173.C
@@ -0,0 +1,26 @@
+// { dg-do assemble  }
+// { dg-options "-Wall -ansi -pedantic-errors" }
+// This error happens because lvalue is not done well in the C++ front-end.
+// NOPs should be lvalues if their arguments are.
+// NON_LVALUE_EXPRs shouldn't be.
+
+// prms-id: 4173
+
+enum TypeKind {
+    RecordTypeKind
+};
+struct Type
+{
+    enum TypeKind kind : 8;
+    unsigned char prefixLen;  
+};
+
+Type a;
+Type b;
+TypeKind c;
+
+int
+main() {
+  a.kind = b.kind = c;
+  (a.kind = c) = b.kind;	// { dg-bogus "" } 
+}