fix(core): avoid panic on non-string Error.name (#14529)

Fixes #14518

3 files changed, 18 insertions, 0 deletions

diff --git a/cli/tests/integration/run_tests.rs b/cli/tests/integration/run_tests.rs
index 09c09d103..d2f11499b 100644
--- a/cli/tests/integration/run_tests.rs
+++ b/cli/tests/integration/run_tests.rs
@@ -2779,3 +2779,9 @@ itest!(spawn_stdout_inherit {
   args: "run --quiet --unstable -A spawn_stdout_inherit.ts",
   output: "spawn_stdout_inherit.ts.out",
 });
+
+itest!(error_name_non_string {
+  args: "run --quiet error_name_non_string.js",
+  output: "error_name_non_string.js.out",
+  exit_code: 1,
+});
diff --git a/cli/tests/testdata/error_name_non_string.js b/cli/tests/testdata/error_name_non_string.js
new file mode 100644
index 000000000..ae9609927
--- /dev/null
+++ b/cli/tests/testdata/error_name_non_string.js
@@ -0,0 +1,8 @@
+class ErrorNameNonString extends Error {
+  constructor() {
+    super();
+    this.name = 42;
+  }
+}
+
+throw new ErrorNameNonString();
diff --git a/cli/tests/testdata/error_name_non_string.js.out b/cli/tests/testdata/error_name_non_string.js.out
new file mode 100644
index 000000000..a77f336e9
--- /dev/null
+++ b/cli/tests/testdata/error_name_non_string.js.out
@@ -0,0 +1,4 @@
+error: Uncaught Error
+throw new ErrorNameNonString();
+      ^
+    at file:///[WILDCARD]/error_name_non_string.js:[WILDCARD]