propagate constant_result when folding lists into tuples

c4fe3e0c · Stefan Behnel · 72020fc3 · c4fe3e0c
Commit c4fe3e0c authored Dec 16, 2012 by Stefan Behnel
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Cython/Compiler/ExprNodes.py Cython/Compiler/ExprNodes.py +4 -1

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--- a/Cython/Compiler/ExprNodes.py
+++ b/Cython/Compiler/ExprNodes.py
@@ -5497,7 +5497,10 @@ class ListNode(SequenceNode):
        return self
    def as_tuple(self):
-        return TupleNode(self.pos, args=self.args, mult_factor=self.mult_factor)
+        t = TupleNode(self.pos, args=self.args, mult_factor=self.mult_factor)
+        if isinstance(self.constant_result, list):
+            t.constant_result = tuple(self.constant_result)
+        return t
    def release_temp_result(self, env):
        if self.type.is_array: