diff --git a/patches/loopy/Current.patch b/patches/loopy/Current.patch
index 4549a2f989e0617932ce4c792e9089814f9d1d8c..efb0a773a574162038fd29007ee06d11a1cd002d 100644
--- a/patches/loopy/Current.patch
+++ b/patches/loopy/Current.patch
@@ -1,8 +1,8 @@
 diff --git a/loopy/check.py b/loopy/check.py
-index 12f2366..1898c27 100644
+index 2f48211..1446d07 100644
 --- a/loopy/check.py
 +++ b/loopy/check.py
-@@ -262,10 +262,10 @@ class _AccessCheckMapper(WalkMapper):
+@@ -286,10 +286,10 @@ class _AccessCheckMapper(WalkMapper):
  
                      shape_domain = shape_domain.intersect(slab)
  
@@ -10,71 +10,10 @@ index 12f2366..1898c27 100644
 -                raise LoopyError("'%s' in instruction '%s' "
 -                        "accesses out-of-bounds array element"
 -                        % (expr, self.insn_id))
-+#            if not access_range.is_subset(shape_domain):
-+#                raise LoopyError("'%s' in instruction '%s' "
-+#                        "accesses out-of-bounds array element"
-+#                        % (expr, self.insn_id))
++#             if not access_range.is_subset(shape_domain):
++#                 raise LoopyError("'%s' in instruction '%s' "
++#                         "accesses out-of-bounds array element"
++#                         % (expr, self.insn_id))
  
  
  def check_bounds(kernel):
-diff --git a/loopy/kernel/data.py b/loopy/kernel/data.py
-index a884fb0..1349be3 100644
---- a/loopy/kernel/data.py
-+++ b/loopy/kernel/data.py
-@@ -1376,7 +1376,10 @@ class CallInstruction(MultiAssignmentBase):
-                 for a in self.assignees)
- 
-     def with_transformed_expressions(self, f, *args):
--        return self.copy(
-+        if len(self.assignees) == 0:
-+            return self.copy(assignees=[], expression=f(self.expression, *args))
-+        else:
-+            return self.copy(
-                 assignees=f(self.assignees, *args),
-                 expression=f(self.expression, *args))
- 
-diff --git a/loopy/preprocess.py b/loopy/preprocess.py
-index 9738777..cc2f140 100644
---- a/loopy/preprocess.py
-+++ b/loopy/preprocess.py
-@@ -871,13 +871,23 @@ def realize_reduction(kernel, insn_id_filter=None, unknown_types_ok=True):
-             kwargs.pop("temp_var_type", None)
-             kwargs.pop("temp_var_types", None)
- 
--            replacement_insns = [
-+            if isinstance(insn, lp.Assignment):
-+                replacement_insns = [
-                     lp.Assignment(
-                         id=insn_id_gen(insn.id),
-                         assignee=assignee,
-                         expression=new_expr,
-                         **kwargs)
-                     for assignee, new_expr in zip(insn.assignees, new_expressions)]
-+            
-+            if isinstance(insn, lp.CallInstruction):
-+                assert len(new_expressions) == 1
-+                replacement_insns = [
-+                    lp.CallInstruction(
-+                        id=insn_id_gen(insn.id),
-+                        assignees=insn.assignees,
-+                        expression=new_expressions[0],
-+                        **kwargs)]
- 
-             insn_id_replacements[insn.id] = [
-                     rinsn.id for rinsn in replacement_insns]
-diff --git a/loopy/target/c/__init__.py b/loopy/target/c/__init__.py
-index e7c8aba..7580038 100644
---- a/loopy/target/c/__init__.py
-+++ b/loopy/target/c/__init__.py
-@@ -553,6 +553,11 @@ class CASTBuilder(ASTBuilderBase):
- 
-         result = "%s(%s)" % (mangle_result.target_name, ", ".join(str_parameters))
- 
-+        # In case of no assignees, we are done
-+        if len(mangle_result.result_dtypes) == 0:
-+            from cgen import Line
-+            return Line(result + ';')
-+
-         result = ecm.wrap_in_typecast(
-                 mangle_result.result_dtypes[0],
-                 assignee_var_descriptors[0].dtype,
diff --git a/python/loopy b/python/loopy
index 4b6e96459ee01ed88a94ef704f17a439a0d4df2e..dfecf6a789b1bb6a605908dedb2f5177ec94d5d2 160000
--- a/python/loopy
+++ b/python/loopy
@@ -1 +1 @@
-Subproject commit 4b6e96459ee01ed88a94ef704f17a439a0d4df2e
+Subproject commit dfecf6a789b1bb6a605908dedb2f5177ec94d5d2