Show the unescaped name in Asyncify pattern warnings (#2351)
Show the unescaped name in Asyncify pattern warnings (#2351)

This is part of the fix for

https://logs.chromium.org/logs/emscripten-releases/buildbucket/cr-buildbucket.appspot.com/8901492015302662960/+/steps/Emscripten_testsuite__upstream__other_/0/stdout

Specifically it fixes that the name shown there should not be escaped.

Followup for #2344 
WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen