Mollify PEP 0479.

2015-12-30 15:33:30 +08:00 · 2015-12-30 15:33:30 +08:00 · f52d364806
commit f52d364806
parent 424ca53fa0
1 changed files with 4 additions and 1 deletions
--- a/artiq/compiler/ir.py
+++ b/artiq/compiler/ir.py
@ -236,7 +236,10 @@ class Phi(Instruction):
    def incoming(self):
        operand_iter = iter(self.operands)
        while True:
-            yield next(operand_iter), next(operand_iter)
+            try:
+                yield next(operand_iter), next(operand_iter)
+            except StopIteration:
+                return

    def incoming_blocks(self):
        return (block for (block, value) in self.incoming())