tiny refactoring in OptimizeInstructions, for clarity
tiny refactoring in OptimizeInstructions, for clarity

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