Optimized shrink options to binaryen wasm-opt pass

Author: jordo

platform/web/detect.py

@@ -285,6 +285,9 @@ def configure(env: "SConsEnvironment"):
     env.Append(CCFLAGS=["-sSUPPORT_LONGJMP='wasm'"])
     env.Append(LINKFLAGS=["-sSUPPORT_LONGJMP='wasm'"])
 
+    # Run wasm-opt binaryen maximum shrink options
+    env.Append(LINKFLAGS=["-sBINARYEN_EXTRA_PASSES='-Oz'"])
+
     # Allow increasing memory buffer size during runtime. This is efficient
     # when using WebAssembly (in comparison to asm.js) and works well for
     # us since we don't know requirements at compile-time.