Add --gufa to j2wasm_application binaryen stage 2 after --intrinsic-lowering.
@@ -221,6 +221,7 @@ def j2wasm_application(name, defines = dict(), **kwargs):
"-O3",
"-O3",
"--intrinsic-lowering",
+ "--gufa",
# Get several rounds of -O3 after intrinsic lowering.
"-O3",
"-O3",
