fix(compiler-ssr): fix input w/ v-bind="obj" codegen

packages/compiler-core/src/codegen.ts

@@ -23,7 +23,8 @@ import {
   IfStatement,
   AssignmentExpression,
   ReturnStatement,
-  VNodeCall
+  VNodeCall,
+  SequenceExpression
 } from './ast'
 import { SourceMapGenerator, RawSourceMap } from 'source-map'
 import {
@@ -593,6 +594,9 @@ function genNode(node: CodegenNode | symbol | string, context: CodegenContext) {
     case NodeTypes.JS_ASSIGNMENT_EXPRESSION:
       !__BROWSER__ && genAssignmentExpression(node, context)
       break
+    case NodeTypes.JS_SEQUENCE_EXPRESSION:
+      !__BROWSER__ && genSequenceExpression(node, context)
+      break
     case NodeTypes.JS_RETURN_STATEMENT:
       !__BROWSER__ && genReturnStatement(node, context)
       break
@@ -914,6 +918,15 @@ function genAssignmentExpression(
   genNode(node.right, context)
 }
 
+function genSequenceExpression(
+  node: SequenceExpression,
+  context: CodegenContext
+) {
+  context.push(`(`)
+  genNodeList(node.expressions, context)
+  context.push(`)`)
+}
+
 function genReturnStatement(
   { returns }: ReturnStatement,
   context: CodegenContext