phase: 20.49 COMPLETE; 20.50 Flow+String minimal reps; 20.51 selfhost v0/v1 minimal (Option A/B); hv1-inline binop/unop/copy; docs + run_all + CURRENT_TASK -> 21.0

examples/jit_f64_e2e_add_compare.hako

@@ -0,0 +1,19 @@
+// f64 E2E demo (Cranelift JIT)
+// Build: cargo build --release --features cranelift-jit
+// Run:   NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_NATIVE_F64=1 \
+//        ./target/release/nyash --backend vm examples/jit_f64_e2e_add_compare.hako
+
+static box Main {
+  main() {
+    local x, y
+    x = 1.5
+    y = 2.25
+    // 1) return f64 add
+    local s
+    s = x + y
+    print("sum=" + s)
+    // 2) return f64 compare as boolean
+    return s > 3.0
+  }
+}
+