Fix segfault on arrays of structs containing parameter blocks (#8555)

Closes https://github.com/shader-slang/slang/issues/8154 However there
is further design work to do on implementing the "NonAddressableType"
suggestion

1 files changed, 31 insertions, 0 deletions

diff --git a/tests/diagnostics/nested-struct-with-unbounded.slang b/tests/diagnostics/nested-struct-with-unbounded.slang
new file mode 100644
index 000000000..4271ad9ab
--- /dev/null
+++ b/tests/diagnostics/nested-struct-with-unbounded.slang
@@ -0,0 +1,31 @@
+// Test that arrays and StructuredBuffers of nested structs with unbounded arrays are not allowed
+
+//TEST:SIMPLE(filecheck=CHECK): -target spirv -allow-glsl -stage compute -entry computeMain
+
+// Struct containing unbounded array (must be last member)
+struct StructWithUnbounded
+{
+    float value;
+    int data[];  // Unbounded array must be last member
+}
+
+// Nested case
+struct NestedUnbounded
+{
+    int id;
+    StructWithUnbounded nested;  // Struct with unbounded array member
+}
+
+// Array of nested struct - should error
+//CHECK: ([[# @LINE+1]]): error 30027
+NestedUnbounded nestedArray[5];
+
+// StructuredBuffer of nested struct - should error
+//CHECK: ([[# @LINE+1]]): error 30028
+StructuredBuffer<NestedUnbounded> nestedBuffer;
+
+[numthreads(1, 1, 1)]
+void computeMain()
+{
+    // Empty - we're just testing the declarations
+}
\ No newline at end of file