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Diffstat (limited to 'test/unit/test_asyncify.py')
| -rw-r--r-- | test/unit/test_asyncify.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/unit/test_asyncify.py b/test/unit/test_asyncify.py index 7510c9492..81763b051 100644 --- a/test/unit/test_asyncify.py +++ b/test/unit/test_asyncify.py @@ -87,3 +87,18 @@ class AsyncifyTest(utils.BinaryenTestCase): self.assertEqual(normal, response) without = test(['--pass-arg=asyncify-imports@without.anything']) self.assertNotEqual(normal, without) + + def test_asyncify_too_many_locals(self): + # With 64K+ locals we cannot run the liveness analysis optimization, but + # should at least not fatally error. + temp = tempfile.NamedTemporaryFile().name + with open(temp, 'w') as f: + f.write('(module\n') + f.write(' (import "env" "foo" (func $import))\n') + f.write(' (func $many-locals\n') + for i in range(65 * 1024): + f.write(f' (local $x{i} i32)\n') + f.write(' (call $import)\n') + f.write(' )\n') + f.write(')\n') + shared.run_process(shared.WASM_OPT + [temp, '--asyncify']) |