1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/other/redecl1.C b/gcc/testsuite/g++.dg/other/redecl1.C
new file mode 100644
index 000000000..cfcf66826
--- /dev/null
+++ b/gcc/testsuite/g++.dg/other/redecl1.C
@@ -0,0 +1,10 @@
+// PR c++/5857
+// This testcase failed because during duplicate_decls the type was promoted
+// to int.
+
+// { dg-do compile }
+
+typedef char baz;
+extern const char foo[];
+const baz foo[] = "xyz";
+const char bar[] = "abc";