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

GitHub: Fixes #1871.

artiq/compiler/builtins.py

@@ -169,7 +169,9 @@ def fn_list():
     return types.TConstructor(TList())
 
 def fn_array():
-    return types.TConstructor(TArray())
+    # numpy.array() is actually a "magic" macro that is expanded in-place, but
+    # 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

@@ -530,3 +530,42 @@ 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()