Merge branch 'master' of ssh://gitlab.tiker.net/inducer/loopy

loopy/kernel/instruction.py

@@ -1216,8 +1216,6 @@ class CInstruction(InstructionBase):
             set("iname_exprs code read_variables assignees".split())
     pymbolic_fields = InstructionBase.pymbolic_fields | \
             set("assignees".split())
-    pymbolic_set_fields = InstructionBase.pymbolic_set_fields | \
-            set(["read_variables"])
 
     def __init__(self,
             iname_exprs, code,

setup.py

@@ -93,7 +93,7 @@ setup(name="loo.py",
           "pymbolic>=2019.1",
           "genpy>=2016.1.2",
           "cgen>=2016.1",
-          "islpy>=2016.2",
+          "islpy>=2019.1",
           "six>=1.8.0",
           "codepy>=2017.1",
           "colorama",