nodejs · nodejs-github-bot · Feb 22, 2026
diff --git a/test/fixtures/test426/range-mappings-proposal-tests.json b/test/fixtures/test426/range-mappings-proposal-tests.json
@@ -36,6 +36,13 @@
       "sourceMapFile": "invalid-base64-char-2.js.map",
       "sourceMapIsValid": false
     },
+    {
+      "name": "rangeMappingsInvalidVLQZero",
+      "description": "VLQ of zero is invalid because offsets are 1-based",
+      "baseFile": "invalid-vlq-zero.js",
+      "sourceMapFile": "invalid-vlq-zero.js.map",
+      "sourceMapIsValid": false
+    },
     {
       "name": "rangeMappingsOutOfRange",
       "description": "Test an invalid range mapping which is outside the mappings length",

diff --git a/test/fixtures/test426/resources/proposals/range-mappings/invalid-vlq-zero.js b/test/fixtures/test426/resources/proposals/range-mappings/invalid-vlq-zero.js
diff --git a/test/fixtures/test426/resources/proposals/range-mappings/invalid-vlq-zero.js.map b/test/fixtures/test426/resources/proposals/range-mappings/invalid-vlq-zero.js.map
diff --git a/test/fixtures/test426/resources/proposals/range-mappings/multiple-mappings.js.map b/test/fixtures/test426/resources/proposals/range-mappings/multiple-mappings.js.map
diff --git a/test/fixtures/test426/resources/proposals/range-mappings/newline-semantics.js.map b/test/fixtures/test426/resources/proposals/range-mappings/newline-semantics.js.map
diff --git a/test/fixtures/test426/resources/proposals/range-mappings/non-full-line-coverage.js.map b/test/fixtures/test426/resources/proposals/range-mappings/non-full-line-coverage.js.map
diff --git a/test/fixtures/test426/resources/proposals/range-mappings/out-of-range-2.js.map b/test/fixtures/test426/resources/proposals/range-mappings/out-of-range-2.js.map
diff --git a/test/fixtures/test426/resources/proposals/range-mappings/out-of-range.js.map b/test/fixtures/test426/resources/proposals/range-mappings/out-of-range.js.map
diff --git a/test/fixtures/test426/resources/proposals/range-mappings/simple.js.map b/test/fixtures/test426/resources/proposals/range-mappings/simple.js.map
diff --git a/test/test426/README.md b/test/test426/README.md
@@ -7,7 +7,7 @@ suite ensures that the Node.js source map implementation conforms to the
 The [`test/fixtures/test426`](../fixtures/test426/) contains a copy of the set of
 [Source Map Tests][] suite. The last updated hash is:
 
-* <https://github.com/tc39/source-map-tests/commit/3b4503e1dae732c214663edc6c5a1883c00885e3>
+* <https://github.com/tc39/source-map-tests/commit/7bfa363225f027f6d49f412923f75950ed69de28>
 
 See the json files in [the `status` folder](./status) for prerequisites,
 expected failures, and support status for specific tests.