emscripten-core / emscripten-core/emscripten
preamble.js: emcc-generated functions have length 0
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Description
```sh
echo >test.c 'int foo (int x) { return 0; }
' &&
echo >test.js 'assert (
_foo .length == 01,
[ '\''foo has'\'',
_foo .length,
'\''arguments'\''
] .join ('\'' '\''
))' &&
emcc test.c --post-js test.js -sEXPORTED_FUNCTIONS=_foo &&
node a.out
```
```
Assertion failed: foo has 0 arguments
```
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