4 files changed, 129 insertions, 0 deletions
diff --git a/cli/tests/integration/run_tests.rs b/cli/tests/integration/run_tests.rs
index 012b744ba..c72fa5d9b 100644
--- a/cli/tests/integration/run_tests.rs
+++ b/cli/tests/integration/run_tests.rs
@@ -545,6 +545,12 @@ itest!(dynamic_import_already_rejected {
   output: "run/dynamic_import_already_rejected/main.out",
 });
 
+itest!(dynamic_import_concurrent_non_statically_analyzable {
+  args: "run --allow-read --allow-net --quiet run/dynamic_import_concurrent_non_statically_analyzable/main.ts",
+  output: "run/dynamic_import_concurrent_non_statically_analyzable/main.out",
+  http_server: true,
+});
+
 itest!(no_check_imports_not_used_as_values {
     args: "run --config run/no_check_imports_not_used_as_values/preserve_imports.tsconfig.json --no-check run/no_check_imports_not_used_as_values/main.ts",
     output: "run/no_check_imports_not_used_as_values/main.out",
diff --git a/cli/tests/testdata/run/dynamic_import_concurrent_non_statically_analyzable/main.out b/cli/tests/testdata/run/dynamic_import_concurrent_non_statically_analyzable/main.out
new file mode 100644
index 000000000..c344d0aae
--- /dev/null
+++ b/cli/tests/testdata/run/dynamic_import_concurrent_non_statically_analyzable/main.out
@@ -0,0 +1,100 @@
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diff --git a/cli/tests/testdata/run/dynamic_import_concurrent_non_statically_analyzable/main.ts b/cli/tests/testdata/run/dynamic_import_concurrent_non_statically_analyzable/main.ts
new file mode 100644
index 000000000..0832e40be
--- /dev/null
+++ b/cli/tests/testdata/run/dynamic_import_concurrent_non_statically_analyzable/main.ts
@@ -0,0 +1,16 @@
+import * as path from "http://localhost:4545/deno_std/path/mod.ts";
+
+const currentDir = path.dirname(path.fromFileUrl(import.meta.url));
+const url = path.toFileUrl(path.join(currentDir, "./mod.ts"));
+const urls = [];
+
+// this is hard to reproduce, but doing this will help
+for (let i = 0; i < 100; i++) {
+  urls.push(url.toString() + "#" + i);
+}
+
+const results = await Promise.all(urls.map((url) => import(url)));
+
+for (const result of results) {
+  result.outputValue();
+}
diff --git a/cli/tests/testdata/run/dynamic_import_concurrent_non_statically_analyzable/mod.ts b/cli/tests/testdata/run/dynamic_import_concurrent_non_statically_analyzable/mod.ts
new file mode 100644
index 000000000..56f2002ed
--- /dev/null
+++ b/cli/tests/testdata/run/dynamic_import_concurrent_non_statically_analyzable/mod.ts
@@ -0,0 +1,7 @@
+// sleep a bit so many concurrent tasks end up
+// attempting to build the graph at the same time
+import "http://localhost:4545/sleep/10";
+
+export function outputValue() {
+  console.log(parseInt(new URL(import.meta.url).hash.slice(1), 10));
+}