- Bitstruct value cannot be used to index a const array in compile time. #2512

test/test_suite/bitstruct/bitstruct_to_index.c3t

@@ -0,0 +1,25 @@
+// #target: macos-x64
+module test;
+import std;
+
+bitstruct Some : char
+{
+	char v : 0 .. 4;
+}
+
+const int[8] SOME_MAP = some_macro();
+
+macro some_macro()
+{
+	Some $s = { 8 };
+	int[8] $map;
+	$for var $i = 0; $i < 4; $i++:
+		$s = { .v = $s.v >> 1 };
+		$map[$s.v] = 1;
+	$endfor;
+	return $map;
+}
+
+/* #expect: test.ll
+
+@test.SOME_MAP = local_unnamed_addr constant { i32, i32, i32, i32, i32, [3 x i32] } { i32 1, i32 1, i32 1, i32 0, i32 1, [3 x i32] zeroinitializer }, align 16