bugfix ios 8.11.1 crash by destroy instance on multithreading

Author: pengtaopt

ios/sdk/WeexSDK/Sources/Bridge/WXCoreBridge.mm

@@ -1651,6 +1651,7 @@ + (double)getLayoutTime:(NSString*)pageId {
 + (void)closePage:(NSString*)pageId
 {
     if (platformBridge) {
+        platformBridge->core_side()->DestroyInstance([pageId UTF8String]);
         platformBridge->core_side()->OnInstanceClose([pageId UTF8String] ?: "");
     }
 }

ios/sdk/WeexSDK/Sources/Model/WXSDKInstance.m

@@ -795,7 +795,11 @@ - (void)destroyInstance
 
     [WXPrerenderManager removePrerenderTaskforUrl:[self.scriptURL absoluteString]];
     [WXPrerenderManager destroyTask:self.instanceId];
-    [[WXSDKManager bridgeMgr] destroyInstance:self.instanceId];
+    BOOL dataRender = self.dataRender;
+    BOOL wlasmRender = self.wlasmRender;
+    if (!dataRender) {
+        [[WXSDKManager bridgeMgr] destroyInstance:self.instanceId];
+    }
 
     WXComponentManager* componentManager = self.componentManager;
     NSString* instanceId = self.instanceId;
@@ -813,6 +817,10 @@ - (void)destroyInstance
         // Destroy weexcore c++ page and objects.
         [WXCoreBridge closePage:instanceId];
 
+        if (dataRender && !wlasmRender) {
+            [[WXSDKManager bridgeMgr] destroyInstance:instanceId];
+        }
+
         // Destroy heron render target page
         if ([WXCustomPageBridge isCustomPage:instanceId]) {
             [[WXCustomPageBridge sharedInstance] removePage:instanceId];

weex_core/Source/core/bridge/platform/core_side_in_platform.cpp

@@ -55,10 +55,6 @@ void CoreSideInPlatform::SetDefaultHeightAndWidthIntoRootDom(
 }
 
 void CoreSideInPlatform::OnInstanceClose(const std::string &instance_id) {
-  auto handler = EagleBridge::GetInstance()->data_render_handler();
-  if (handler) {
-    handler->DestroyInstance(instance_id.c_str());
-  }
   RenderManager::GetInstance()->ClosePage(instance_id);
 }
 
@@ -604,13 +600,17 @@ std::unique_ptr<WeexJSResult> CoreSideInPlatform::ExecJSOnInstance(const char *i
 
 int CoreSideInPlatform::DestroyInstance(const char *instanceId) {
     auto handler = EagleBridge::GetInstance()->data_render_handler();
-    if(handler!=nullptr){
+    if (handler != nullptr) {
       handler->DestroyInstance(instanceId);
     }
     if (JsonRenderManager::GetInstance()->ClosePage(instanceId)) {
       return true;
     }
-    return WeexCoreManager::Instance()->script_bridge()->script_side()->DestroyInstance(instanceId);
+    auto script_side = WeexCoreManager::Instance()->script_bridge()->script_side();
+    if (script_side) {
+        return script_side->DestroyInstance(instanceId);
+    }
+    return true;
 }
 
 int CoreSideInPlatform::UpdateGlobalConfig(const char *config) {