pypy/module/pypyjit/test_pypy_c/test_struct.py::TestStruct::()::test_unpack_bytearray

self = <pypy.module.pypyjit.test_pypy_c.test_struct.TestStruct object at 0x7f906060da10>

    def test_unpack_bytearray(self):
        def main(n):
            import struct
            buf = struct.pack('H', 0x1234)
            buf = bytearray(buf)
            i = 1
            res = 0
            while i < n:
                val = struct.unpack("h", buf)[0]     # ID: unpack
                res += val
                i += 1
            return res
        log = self.run(main, [1000])
        assert log.result == main(1000)
        loop, = log.loops_by_filename(self.filepath)
        # the offset of gc_load_indexed_i used to be the constant 0. However,
        # now it is 'i46' because we need to add 0 to
        # W_BytearrayObject._offset
        assert loop.match_by_id('unpack', """
                guard_not_invalidated(descr=...)
                i70 = gc_load_indexed_i(p48, i46, 1, _, -2)
>           """)

pypy/module/pypyjit/test_pypy_c/test_struct.py:159: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
pypy/module/pypyjit/test_pypy_c/model.py:182: in match_by_id
    return matcher.match(expected_src, ignore_ops=ignore_ops)
pypy/module/pypyjit/test_pypy_c/model.py:524: in match
    self.match_loop(expected_ops, ignore_ops)
pypy/module/pypyjit/test_pypy_c/model.py:500: in match_loop
    self.match_op(op, exp_op)
pypy/module/pypyjit/test_pypy_c/model.py:409: in match_op
    self._assert(op.name == exp_opname, "operation mismatch")
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <pypy.module.pypyjit.test_pypy_c.model.OpMatcher object at 0x7f905f368e90>
cond = False, message = 'operation mismatch'

    def _assert(self, cond, message):
        if not cond:
>           raise InvalidMatch(message, frame=sys._getframe(1))
E           InvalidMatch: operation mismatch

pypy/module/pypyjit/test_pypy_c/model.py:402: InvalidMatch
---------- Captured stdout call ----------
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
Loops don't match
=================
loop id = 'unpack'
('operation mismatch',)
<could not determine information>

Ignore ops: []
Got:
    guard_not_invalidated(descr=<Guard0x7f0526742bb8>)

	===== HERE =====
    setfield_gc(p12, i43, descr=<FieldS pypy.objspace.std.bytearrayobject.W_BytearrayObject.inst__exports 16>)
    i74 = gc_load_indexed_i(p52, i46, 1, 16, -2)

Expected:
    
    guard_not_invalidated(descr=...)
    i70 = gc_load_indexed_i(p48, i46, 1, _, -2)

builder: pypy-c-jit-linux-x86-64 build #11813+

test: pypy/module/pypyjit/test_pypy_c/test_struct.py::TestStruct::()::test_unpack_bytearray