[MLIR] Add move constructor to BytecodeWriterConfig

Author: karimnosseir

mlir/include/mlir/Bytecode/BytecodeWriter.h

@@ -82,6 +82,7 @@ class BytecodeWriterConfig {
   /// printers for the fallback resources within the map.
   BytecodeWriterConfig(FallbackAsmResourceMap &map,
                        StringRef producer = "MLIR" LLVM_VERSION_STRING);
+  BytecodeWriterConfig(BytecodeWriterConfig &&);
   ~BytecodeWriterConfig();
 
   /// An internal implementation class that contains the state of the

mlir/lib/Bytecode/Writer/BytecodeWriter.cpp

@@ -66,6 +66,9 @@ BytecodeWriterConfig::BytecodeWriterConfig(FallbackAsmResourceMap &map,
     : BytecodeWriterConfig(producer) {
   attachFallbackResourcePrinter(map);
 }
+BytecodeWriterConfig::BytecodeWriterConfig(BytecodeWriterConfig &&config)
+    : impl(std::move(config.impl)) {}
+
 BytecodeWriterConfig::~BytecodeWriterConfig() = default;
 
 ArrayRef<std::unique_ptr<AttrTypeBytecodeWriter<Attribute>>>