Suppress new Clang warnings about memcpy of nontrivially-copyable objects

See llvm/llvm-project#111434

Author: dschuff

test/test_core.py

@@ -6795,6 +6795,7 @@ def test_bullet(self, use_cmake):
       '-Wno-format',
       '-Wno-bitfield-constant-conversion',
       '-Wno-int-to-void-pointer-cast',
+      '-Wno-nontrivial-memaccess',
     ]
 
     # extra testing for ASSERTIONS == 2
@@ -6818,7 +6819,7 @@ def test_bullet(self, use_cmake):
   @is_slow_test
   def test_poppler(self):
     # See https://github.com/emscripten-core/emscripten/issues/20757
-    self.emcc_args.append('-Wno-deprecated-declarations')
+    self.emcc_args.extend(['-Wno-deprecated-declarations', '-Wno-nontrivial-memaccess'])
     poppler = self.get_poppler_library()
     shutil.copy(test_file('poppler/paper.pdf'), '.')