.

Author: sbc100

system/lib/pthread/emscripten_init_tls.c renamed to system/lib/pthread/emscripten_tls_init.c

@@ -1132,6 +1132,13 @@ def metadce(js_file, wasm_file, minify_whitespace, debug_info):
           'name': 'emcc$export$' + export,
           'reaches': []
         })
+  # Because emitDCEGraph only looks at the main js file, and not the worker
+  # we have to explictly add module exported here that are accessed from the
+  # worker, in order to keep them alive through this DCE.
+  # TODO: Find a more robust way to do this, perhaps by also scanning worker.js
+  # for roots.
+  if Settings.USE_PTHREADS:
+    user_requested_exports.append('_emscripten_tls_init')
   # ensure that functions expected to be exported to the outside are roots
   for item in graph:
     if 'export' in item:

tools/building.py

@@ -1199,7 +1199,7 @@ def get_files(self):
         filenames=[
           'library_pthread.c',
           'emscripten_atomic.c',
-          'emscripten_init_tls.c',
+          'emscripten_tls_init.c',
         ])
       return files
     else: