nodejs
diff --git a/Collapse file
‎lib/internal/test_runner/test.js‎
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+1-1Lines changed: 1 addition & 1 deletion b/Collapse file
‎lib/internal/test_runner/test.js‎
Copy file name to clipboardExpand all lines: lib/internal/test_runner/test.js
+1-1Lines changed: 1 addition & 1 deletion
diff --git a/Collapse file
‎test/parallel/test-runner-enable-source-maps-issue.js‎
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+16Lines changed: 16 additions & 0 deletions b/Collapse file
‎test/parallel/test-runner-enable-source-maps-issue.js‎
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+16Lines changed: 16 additions & 0 deletions
@@ -493,7 +493,7 @@ class Test extends AsyncResource {
         const map = lazyFindSourceMap(this.loc.file);
         const entry = map?.findEntry(this.loc.line - 1, this.loc.column - 1);
 
-        if (entry !== undefined) {
+        if (entry?.originalSource !== undefined) {
           this.loc.line = entry.originalLine + 1;
           this.loc.column = entry.originalColumn + 1;
           this.loc.file = entry.originalSource;
 
@@ -0,0 +1,16 @@
+'use strict';
+require('../common');
+const assert = require('node:assert');
+const { spawnSync } = require('node:child_process');
+const { test } = require('node:test');
+const fixtures = require('../common/fixtures');
+
+test('ensures --enable-source-maps does not throw an error', () => {
+  const fixture = fixtures.path('test-runner', 'coverage', 'stdin.test.js');
+  const args = ['--enable-source-maps', fixture];
+
+  const result = spawnSync(process.execPath, args);
+
+  assert.strictEqual(result.stderr.toString(), '');
+  assert.strictEqual(result.status, 0);
+});