mirror of https://github.com/m-labs/artiq
18 lines
500 B
Python
18 lines
500 B
Python
# RUN: %python -m artiq.compiler.testbench.inferencer +diag %s >%t
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# RUN: OutputCheck %s --file-to-check=%t
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class contextmgr:
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def __enter__(self):
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return 1
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def __exit__(self, n1, n2, n3):
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pass
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def foo():
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x = "x"
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# CHECK-L: ${LINE:+3}: error: cannot unify str with NoneType
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# CHECK-L: ${LINE:+2}: note: expression of type str
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# CHECK-L: ${LINE:+1}: note: context manager with an '__enter__' method returning NoneType
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with contextmgr() as x:
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pass
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