Strange failures of Emscripten's tests

[Qwerty Uiop]

Hi,

I've been trying to run Emscripten's tests locally and I've got strange failures.

E.g. when I run

python tests/runner.py test_unistd_io

I get

...
AssertionError: JS subprocess failed (/home/brd/soft/SpiderMonkeyShell-nightly-2020-05-30/js -w /tmp/emscripten_test/src.cpp.o.js): 1.  Output:
Assertion failed: undefined
Assertion failed: undefined
exception thrown: RuntimeError: abort(Assertion failed: undefined) at jsStackTrace@/tmp/emscripten_test/src.cpp.o.js:7402:17
...




The line 7402 of src.cpp.o.js is the first line of the function jsStackTrace:

var err = new Error();

So it looks like Error itself is undefined.

Of course, when I run SpiderMonkey on a simple js file containing just that line, it works fine.

I'm using the latest master revisions of Emscripten, Fastcomp and Binaryen as of Friday, May 29.

I have the impression that something is wrong with my setup but can't figure out where the problem is exactly.

Could anyone give me a clue?

Also, could anyone point me to the official build server where I might see the current status of the tests?

[Alon Zakai]

We don't run tests on our CI using the SpiderMonkey shell (but we do test Firefox in the browser suite), so perhaps we need to add something in src/shell.js for it.

Our CI shell tests mostly run in node, with a few using d8 when we test very new wasm features not yet in node.

The current status of the tests can be seen on github where we run CI,

https://github.com/emscripten-core/emscripten/commits/master

Each commit has a green check or a red x, and clicking on those gets you to links to see the detailed results.

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