From 13279cb0ab5f0573fe846d55c7e031ac4731436d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartek=20Iwa=C5=84czuk?= <biwanczuk@gmail.com>
Date: Sat, 6 Jan 2024 15:01:09 +0100
Subject: fix(compile): preserve granular unstable features (#21827)

Fix https://github.com/denoland/deno/issues/21814
---
 cli/standalone/binary.rs | 2 ++
 cli/standalone/mod.rs    | 5 +++++
 2 files changed, 7 insertions(+)

(limited to 'cli/standalone')

diff --git a/cli/standalone/binary.rs b/cli/standalone/binary.rs
index 91cb09fb7..18880b7a1 100644
--- a/cli/standalone/binary.rs
+++ b/cli/standalone/binary.rs
@@ -138,6 +138,7 @@ pub enum NodeModules {
 pub struct Metadata {
   pub argv: Vec<String>,
   pub unstable: bool,
+  pub unstable_features: Vec<String>,
   pub seed: Option<u64>,
   pub permissions: PermissionsOptions,
   pub location: Option<Url>,
@@ -542,6 +543,7 @@ impl<'a> DenoCompileBinaryWriter<'a> {
     let metadata = Metadata {
       argv: compile_flags.args.clone(),
       unstable: cli_options.unstable(),
+      unstable_features: cli_options.unstable_features(),
       seed: cli_options.seed(),
       location: cli_options.location_flag().clone(),
       permissions: cli_options.permissions_options(),
diff --git a/cli/standalone/mod.rs b/cli/standalone/mod.rs
index 32ae771c1..47a660fe1 100644
--- a/cli/standalone/mod.rs
+++ b/cli/standalone/mod.rs
@@ -488,6 +488,11 @@ pub async fn run(
     if metadata.unstable {
       checker.enable_legacy_unstable();
     }
+    for feature in metadata.unstable_features {
+      // `metadata` is valid for the whole lifetime of the program, so we
+      // can leak the string here.
+      checker.enable_feature(feature.leak());
+    }
     checker
   });
   let worker_factory = CliMainWorkerFactory::new(
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