Temporarily disable ubsan.test_sse2. NFC (#19733)

Author: sbc100

test/test_core.py

@@ -6737,6 +6737,7 @@ def test_sse1(self):
   @no_wasm64('https://github.com/llvm/llvm-project/issues/57577')
   @no_safe_heap('has unaligned 64-bit operations in wasm')
   @is_slow_test
+  @no_ubsan('https://github.com/emscripten-core/emscripten/issues/19688')
   def test_sse2(self):
     src = test_file('sse/test_sse2.cpp')
     self.run_process([shared.CLANG_CXX, src, '-msse2', '-Wno-argument-outside-range', '-o', 'test_sse2', '-D_CRT_SECURE_NO_WARNINGS=1'] + clang_native.get_clang_native_args(), stdout=PIPE)