1 files changed, 12 insertions, 0 deletions
diff --git a/src/tools/optimization-options.h b/src/tools/optimization-options.h
index 8bca7639f..a1a21b596 100644
--- a/src/tools/optimization-options.h
+++ b/src/tools/optimization-options.h
@@ -241,6 +241,18 @@ struct OptimizationOptions : public ToolOptions {
         OptimizationOptionsCategory,
         Options::Arguments::Zero,
         [this](Options*, const std::string&) { passOptions.fastMath = true; })
+      .add(
+        "--closed-world",
+        "-cw",
+        "Assume code outside of the module does not inspect or interact with "
+        "GC and function references, even if they are passed out. The outside "
+        "may hold on to them and pass them back in, but not inspect their "
+        "contents or call them.",
+        OptimizationOptionsCategory,
+        Options::Arguments::Zero,
+        [](Options*, const std::string&) {
+          // TODO: Implement this.
+        })
       .add("--zero-filled-memory",
            "-uim",
            "Assume that an imported memory will be zero-initialized",