Warn on memory segment overlaps (#3257)
Warn on memory segment overlaps (#3257)

We may fix this eventually, but it appears to not be urgent. For now at least
show a warning so toolchains have a chance to see there is something
they should fix.
WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen