mirror of https://github.com/python/cpython
Change r60575 broke test_compile:
there is no need to emit co_lnotab item when both offsets are zeros.
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@ -366,6 +366,15 @@ class TraceTestCase(unittest.TestCase):
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(3, 'line'),
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(3, 'return')])
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def test_16_blank_lines(self):
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exec("def f():\n" + "\n" * 256 + " pass")
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self.run_and_compare(
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f,
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[(0, 'call'),
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(257, 'line'),
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(257, 'return')])
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class RaisingTraceFuncTestCase(unittest.TestCase):
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def trace(self, frame, event, arg):
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"""A trace function that raises an exception in response to a
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@ -3560,6 +3560,9 @@ assemble_lnotab(struct assembler *a, struct instr *i)
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assert(d_bytecode >= 0);
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assert(d_lineno >= 0);
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if(d_bytecode == 0 && d_lineno == 0)
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return 1;
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if (d_bytecode > 255) {
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int j, nbytes, ncodes = d_bytecode / 255;
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nbytes = a->a_lnotab_off + 2 * ncodes;
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