With emscripten-releases revisions:

https://chromium.googlesource.com/emscripten-releases/+/c2655005234810c7c42e02a18e4696554abe0352
(LTO)

https://chromium.googlesource.com/emscripten-releases/+/88e95307accc1f4b247b86b7a0c0e6beaf07f844
(asserts)