1 files changed, 11 insertions, 0 deletions
diff --git a/tests/front-end/in-redeclare.slang b/tests/front-end/in-redeclare.slang
new file mode 100644
index 000000000..4c6de94a9
--- /dev/null
+++ b/tests/front-end/in-redeclare.slang
@@ -0,0 +1,11 @@
+//TEST:SIMPLE(filecheck=CHECK):-target spirv
+
+// CHECK: OpEntryPoint
+
+struct Foo{ float4 v; }
+
+[shader("vertex")]
+float4 vert(in Foo in, in Foo o) : SV_Position
+{
+    return in.v;
+}
+\ No newline at end of file