document that env.exit support is a hack for torture tests
document that env.exit support is a hack for torture tests

ddcc/binaryen,ddcc/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,yurydelendik/binaryen,WebAssembly/binaryen,yurydelendik/binaryen,ddcc/binaryen,WebAssembly/binaryen,ddcc/binaryen,yurydelendik/binaryen,yurydelendik/binaryen,WebAssembly/binaryen,ddcc/binaryen,yurydelendik/binaryen