RequirementMachine: RewriteSystem::initialize() takes writtenRequirements as an rvalue

Author: slavapestov

lib/AST/RequirementMachine/RewriteSystem.cpp

@@ -70,7 +70,7 @@ RewriteSystem::~RewriteSystem() {
 /// complete rewrite system.
 void RewriteSystem::initialize(
     bool recordLoops, ArrayRef<const ProtocolDecl *> protos,
-    ArrayRef<StructuralRequirement> writtenRequirements,
+    std::vector<StructuralRequirement> &&writtenRequirements,
     std::vector<Rule> &&importedRules,
     std::vector<std::pair<MutableTerm, MutableTerm>> &&permanentRules,
     std::vector<std::tuple<MutableTerm, MutableTerm, Optional<unsigned>>>
@@ -80,7 +80,7 @@ void RewriteSystem::initialize(
 
   RecordLoops = recordLoops;
   Protos = protos;
-  WrittenRequirements = writtenRequirements;
+  WrittenRequirements = std::move(writtenRequirements);
 
   // Pre-populate our rules vector with the list of imported rules, and note
   // the position of the first local (not imported) rule.

lib/AST/RequirementMachine/RewriteSystem.h

@@ -126,7 +126,7 @@ class RewriteSystem final {
 
   void initialize(bool recordLoops,
                   ArrayRef<const ProtocolDecl *> protos,
-                  ArrayRef<StructuralRequirement> writtenRequirements,
+                  std::vector<StructuralRequirement> &&writtenRequirements,
                   std::vector<Rule> &&importedRules,
                   std::vector<std::pair<MutableTerm, MutableTerm>> &&permanentRules,
                   std::vector<std::tuple<MutableTerm, MutableTerm, Optional<unsigned>>> &&requirementRules);