[wasm] Decouple function name and exported name in WasmFunctionBuilder

src/wasm/wasm-module-builder.h

Index: src/wasm/wasm-module-builder.h
diff --git a/src/wasm/wasm-module-builder.h b/src/wasm/wasm-module-builder.h
index 3765cad565e62194ba92fb3f9fe9cf341ad05329..b30e434c0a78755c6d661b174e985c22b59132a8 100644
--- a/src/wasm/wasm-module-builder.h
+++ b/src/wasm/wasm-module-builder.h
@@ -128,6 +128,7 @@ class V8_EXPORT_PRIVATE WasmFunctionBuilder : public ZoneObject {
   void EmitWithVarInt(WasmOpcode opcode, uint32_t immediate);
   void EmitDirectCallIndex(uint32_t index);
   void SetExported();
+  void SetExportedWithName(const char* name, int name_length);
   void SetName(const char* name, int name_length);
 
   void WriteSignature(ZoneBuffer& buffer) const;
@@ -155,6 +156,7 @@ class V8_EXPORT_PRIVATE WasmFunctionBuilder : public ZoneObject {
   uint32_t func_index_;
   ZoneVector<uint8_t> body_;
   ZoneVector<char> name_;
+  ZoneVector<char> exported_name_;
   ZoneVector<uint32_t> i32_temps_;
   ZoneVector<uint32_t> i64_temps_;
   ZoneVector<uint32_t> f32_temps_;