Revert "compiler: Fix #1871 (array() breaks math functions)"

This reverts commit 8786b137a3.

artiq/compiler/builtins.py

@@ -169,9 +169,7 @@ def fn_list():
     return types.TConstructor(TList())
 
 def fn_array():
-    # numpy.array() is actually a "magic" macro that is expanded in-place, but
+    return types.TConstructor(TArray())
-    # just as for builtin functions, we do not want to quote it, etc.
-    return types.TBuiltinFunction("array")
 
 def fn_Exception():
     return types.TExceptionConstructor(TException("Exception"))

artiq/test/coredevice/test_embedding.py

@@ -530,42 +530,3 @@ class NumpyBoolTest(ExperimentCase):
     def test_numpy_bool(self):
         """Test NumPy bools decay to ARTIQ compiler builtin bools as expected"""
         self.create(_NumpyBool).run()
-
-
-class _Alignment(EnvExperiment):
-    def build(self):
-        self.setattr_device("core")
-
-    @rpc
-    def a_tuple(self) -> TList(TTuple([TBool, TFloat, TBool])):
-        return [(True, 1234.5678, True)]
-
-    @kernel
-    def run(self):
-        a, b, c = self.a_tuple()[0]
-        d, e, f = self.a_tuple()[0]
-        assert a == d
-        assert b == e
-        assert c == f
-        return 0
-
-
-class AlignmentTest(ExperimentCase):
-    def test_tuple(self):
-        self.create(_Alignment).run()
-
-
-class _NumpyQuoting(EnvExperiment):
-    def build(self):
-        self.setattr_device("core")
-
-    @kernel
-    def run(self):
-        a = np.array([10, 20])
-        b = np.sqrt(4.0)
-
-
-class NumpyQuotingTest(ExperimentCase):
-    def test_issue_1871(self):
-        """Ensure numpy.array() does not break NumPy math functions"""
-        self.create(_NumpyQuoting).run()