diff --git a/build.zig.zon b/build.zig.zon
index 2cab2b0..a6d2f9d 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -7,8 +7,8 @@
             .hash = "zmath-0.11.0-dev-wjwivdMsAwD-xaLj76YHUq3t9JDH-X16xuMTmnDzqbu2",
         },
         .NZSL = .{ // For unit tests
-            .url = "git+https://git.kbz8.me/kbz_8/NZigSL#68f6c0ae2d0fc6b91eaa9df5c0fcd68f3529c5b8",
-            .hash = "NZSL-1.1.4-N0xSVC97AACi1-SuJ_ifNAOBRdCMPIXN1vMgVprfABhH",
+            .url = "git+https://git.kbz8.me/kbz_8/NZigSL#3ab28e423cdab27797f779d352094a69800c0c6b",
+            .hash = "NZSL-1.1.5-N0xSVHV7AAB168H2nqMDYY0hjUXtXJ9_eQGNHasSr9r8",
             .lazy = true,
         },
         .sdl3 = .{
diff --git a/src/opcodes.zig b/src/opcodes.zig
index 569fb46..efb60ee 100644
--- a/src/opcodes.zig
+++ b/src/opcodes.zig
@@ -1687,14 +1687,8 @@ fn opCompositeConstruct(_: std.mem.Allocator, word_count: SpvWord, rt: *Runtime)
             }
         },
         .RuntimeArray => |arr| {
-            var offset: usize = 0;
-
-            for (0..index_count) |_| {
-                // DOES NOT WORK : FIXME
-                const elem_value = (try rt.results[try rt.it.next()].getVariant()).Constant.value;
-                std.mem.copyForwards(u8, arr.data[offset..(offset + arr.stride)], std.mem.asBytes(&elem_value));
-                offset += arr.stride;
-            }
+            _ = arr;
+            return RuntimeError.ToDo;
         },
         else => try vectorRoutines(value, rt),
     }