[LLDB][MIPS] Fix TestNoreturnUnwind.py.

bugnumber=llvm.org/pr33452

Subscribers: jaydeep, bhushan, lldb-commits, slthakur
llvm-svn: 305380

lldb/packages/Python/lldbsuite/test/functionalities/unwind/noreturn/TestNoreturnUnwind.py

@@ -19,6 +19,7 @@ class NoreturnUnwind(TestBase):
     @skipIfWindows  # clang-cl does not support gcc style attributes.
     # clang does not preserve LR in noreturn functions, making unwinding impossible
     @skipIf(compiler="clang", archs=['arm'], oslist=['linux'])
+    @expectedFailureAll(bugnumber="llvm.org/pr33452", triple='^mips')
     def test(self):
         """Test that we can backtrace correctly with 'noreturn' functions on the stack"""
         self.build()