skip test_debug in asm3

tests/test_core.py

@@ -5954,7 +5954,7 @@ def process(filename):
   def test_debug(self):
     if '-g' not in Building.COMPILER_TEST_OPTS: Building.COMPILER_TEST_OPTS.append('-g')
     if self.emcc_args is not None:
-      if '-O1' in self.emcc_args or '-O2' in self.emcc_args: return self.skip('optimizations remove LLVM debug info')
+      if '-O1' in self.emcc_args or '-O2' in self.emcc_args or '-O3' in self.emcc_args: return self.skip('optimizations remove LLVM debug info')
 
     src = '''
       #include <stdio.h>