Exclude async JS library funcs from the regexp (#20232)

Author: RReverser

emcc.py

@@ -1330,6 +1330,7 @@ def add_js_deps(sym):
       for sym in settings.EXPORTED_RUNTIME_METHODS:
         add_js_deps(shared.demangle_c_symbol_name(sym))
     if settings.ASYNCIFY:
+      settings.ASYNCIFY_IMPORTS_EXCEPT_JS_LIBS = settings.ASYNCIFY_IMPORTS[:]
       settings.ASYNCIFY_IMPORTS += ['*.' + x for x in js_info['asyncFuncs']]
 
   phase_calculate_system_libraries(state, linker_arguments, newargs)

src/library_async.js

@@ -41,7 +41,7 @@ addToLibrary({
 #if ASYNCIFY_DEBUG
       dbg('asyncify instrumenting imports');
 #endif
-      var importPattern = {{{ new RegExp(`^(${ASYNCIFY_IMPORTS.map(x => x.split('.')[1]).join('|').replace(/\*/g, '.*')})$`) }}};
+      var importPattern = {{{ new RegExp(`^(${ASYNCIFY_IMPORTS_EXCEPT_JS_LIBS.map(x => x.split('.')[1]).join('|').replace(/\*/g, '.*')})$`) }}};
 
       for (var x in imports) {
         (function(x) {

src/settings_internal.js

@@ -272,3 +272,5 @@ var PTHREADS = false;
 var BULK_MEMORY = false;
 
 var MINIFY_WHITESPACE = true;
+
+var ASYNCIFY_IMPORTS_EXCEPT_JS_LIBS = [];