From 39522159c245e32a99cfdc47f03236f7028f5c61 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Mon, 26 Feb 2024 17:00:31 -0800
Subject: Allow default values for `extern` symbols. (#3632)

* Allow default values for `extern` symbols.

* Fix.

* Fix test.
---
 tests/diagnostics/unresolved-symbol.slang | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 tests/diagnostics/unresolved-symbol.slang

(limited to 'tests/diagnostics')

diff --git a/tests/diagnostics/unresolved-symbol.slang b/tests/diagnostics/unresolved-symbol.slang
new file mode 100644
index 000000000..d5c8444fc
--- /dev/null
+++ b/tests/diagnostics/unresolved-symbol.slang
@@ -0,0 +1,18 @@
+//DIAGNOSTIC_TEST:SIMPLE(filecheck=CHECK): -target hlsl -entry main -profile cs_6_0
+interface IFoo
+{
+    int doThing();
+}
+
+// CHECK: ([[#@LINE+1]]): error 45001:
+extern struct Foo : IFoo;
+// CHECK: ([[#@LINE+1]]): error 45001:
+extern static const int c;
+
+RWStructuredBuffer<int> output;
+
+void main()
+{
+    Foo f;
+    output[0] = c + f.doThing();
+}
\ No newline at end of file
-- 
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