Disallow duplicate enumerator names in the same enum (#2904)

Fixes https://github.com/shader-slang/slang/issues/2895

1 files changed, 10 insertions, 0 deletions

diff --git a/tests/bugs/overloaded-enum.slang b/tests/bugs/overloaded-enum.slang
new file mode 100644
index 000000000..3b9ac8e10
--- /dev/null
+++ b/tests/bugs/overloaded-enum.slang
@@ -0,0 +1,10 @@
+//TEST:SIMPLE(filecheck=CHECK):
+
+enum E
+{
+    A,
+    A
+    // CHECK: overloaded-enum.slang([[#@LINE-1]]): error 30200: declaration of 'A' conflicts with existing declaration
+}
+
+E e = E::A;