Error ONLY when running babel task on arm64 node v4.4.6

[TomFreudenberg]

Hi, I have reported an error on the babel issue tracker at https://phabricator.babeljs.io/T7457

but it might also be, that this is an issue on node v4?

The issue described does ONLY occur an the arm64 architecture (I am also using the linoaro dev cluster).

In a short:

running:

mkdir -p /tmp/babel-test

cd /tmp/babel-test

npm install babel-cli babel-preset-es2015 --save-dev

./node_modules/.bin/babel ./node_modules/babel-polyfill/dist/polyfill.js -d lib --presets es2015 --no-babelrc

will return

[BABEL] Note: The code generator has deoptimised the styling of "./node_modules/babel-polyfill/dist/polyfill.js" as it exceeds the max of "100KB".
TypeError: ./node_modules/babel-polyfill/dist/polyfill.js: Cannot read property 'compact' of undefined
at Function.space (/tmp/babel-test/node_modules/babel-generator/lib/buffer.js:139:20)
at Function.ObjectExpression (/tmp/babel-test/node_modules/babel-generator/lib/generators/types.js:62:10)
at /tmp/babel-test/node_modules/babel-generator/lib/printer.js:113:24
at Generator.withSource (/tmp/babel-test/node_modules/babel-generator/lib/buffer.js:293:39)
at Generator.print (/tmp/babel-test/node_modules/babel-generator/lib/printer.js:112:10)
at Generator.printJoin (/tmp/babel-test/node_modules/babel-generator/lib/printer.js:197:12)
at Generator.printList (/tmp/babel-test/node_modules/babel-generator/lib/printer.js:261:17)
at Generator.CallExpression (/tmp/babel-test/node_modules/babel-generator/lib/generators/expressions.js:144:8)
at /tmp/babel-test/node_modules/babel-generator/lib/printer.js:113:24
at Generator.withSource (/tmp/babel-test/node_modules/babel-generator/lib/buffer.js:293:39)

If I use node v6.2.2 arm64 and run the same command, the result is:

[BABEL] Note: The code generator has deoptimised the styling of "./node_modules/babel-polyfill/dist/polyfill.js" as it exceeds the max of "100KB".
./node_modules/babel-polyfill/dist/polyfill.js -> lib/node_modules/babel-polyfill/dist/polyfill.js

Seems to be a kind of memory leak ?

[mscdex]

This looks more like a babel bug than a node bug. Perhaps one of their userland modules does some sort of node version checking or makes some kind of wrong assumption?

[TomFreudenberg]

Hi Brian ( @mscdex )

I have no clue currently, so thats why I posted in both trackers. Its a pitty, we got nearly everything running on the arm64 and its just the unpacking what is missing now ;-)

Sometimes I hate the jobs ;-)

Thanks for your feedback, hopefully someone from babel tracker will answer too

Tom

[loganfsmyth]

Hey @mscdex, see my response here: https://phabricator.babeljs.io/T7457#79767

There are a bunch of things about this error that make me think it was likely a V8 issue that's been fixed between 4.4.6 and 6.2.2. Primarily, this.format should always be an object, and if it weren't, several functions called before the one in question would have triggered the same error were that the case, combined with the inability to reproduced on x86 and Node 6 ARM64.

[TomFreudenberg]

Hi Brian, Logan @mscdex @loganfsmyth

if necessary, I can give you access to my linaro development cluster or help you to get an account yourself.

Would be great if this could be get fixed, because meteor will not move soon to node 6.

P.S.: I will run a test on latest node 5 as well - an post result here.

[TomFreudenberg]

Hi, as expected - it seems to be just an error on the 4.4.6. Doing the same check with node_ v5.12.0-arm64

Just to have this test also with node v5, result is correct working:

PATH=$PATH:/tmp/node5/bin ./node_modules/.bin/babel ./node_modules/babel-polyfill/dist/polyfill.js -d lib --presets es2015 --no-babelrc

BABEL] Note: The code generator has deoptimised the styling of "./node_modules/babel-polyfill/dist/polyfill.js" as it exceeds the max of "100KB".
./node_modules/babel-polyfill/dist/polyfill.js -> lib/node_modules/babel-polyfill/dist/polyfill.js

This works also fine

[MylesBorins]

Are older versions of v4 working fine?
On Jun 26, 2016 1:17 PM, "Tom Freudenberg" notifications@github.com wrote:

Hi, as expected - it seems to be just an error on the 4.4.6. Doing the
same check with node_ v5.12.0-arm64

Just to have this test also with node v5, result is correct working:

PATH=$PATH:/tmp/node5/bin ./node_modules/.bin/babel ./node_modules/babel-polyfill/dist/polyfill.js -d lib --presets es2015 --no-babelrc

BABEL] Note: The code generator has deoptimised the styling of
"./node_modules/babel-polyfill/dist/polyfill.js" as it exceeds the max of
"100KB".
./node_modules/babel-polyfill/dist/polyfill.js ->
lib/node_modules/babel-polyfill/dist/polyfill.js

This works also fine

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[TomFreudenberg]

I had currently the same idea and will test. Let me run some and I give feedback

[TomFreudenberg]

@mscdex @loganfsmyth @thealphanerd

Ok guys, got it

node-v5.0.0-arm64 IS NOT WORKING
node-v5.1.0-arm64 IS OK

[MylesBorins]

Hey Tom. v5 is end of life. Would you be able to test some other versions of v4?

[TomFreudenberg]

Yes, I know but v4 doesnt work at all, otherwise I have to check for v6

[TomFreudenberg]

@thealphanerd But can't we use the diff between v5.0.0 and v5.1.0 to see what changes might repair that issue?

[MylesBorins]

Indeed. Although if it is a change in v8 it is not going to be as easy. I'll dig in to this tomorrow morning, hopefully we can find the cause quickly.

[TomFreudenberg]

Thanks Myles @thealphanerd

I will check the v6 branches to see if there is also one not working

[TomFreudenberg]

Already node-v6.0.0-arm64 is working, but I guess this is clear, because the v6 branch was created sometimes out of v5 branch. In case that it was fixed in this early v5.1.0 it wasn't propably never an issue in v6.x.x

So would be great if you could catch it.

Tom