Avoid Solc to die because of compilation

lib/core/processes/processWrapper.js

@@ -12,13 +12,14 @@ class ProcessWrapper {
    * Manages the log interception so that all console.* get sent back to the parent process
    * Also creates an Events instance. To use it, just do `this.events.[on|request]`
    *
-   * @param {Options}     _options    Nothing for now
+   * @param {Options}     options    pingParent: true by default
    */
-  constructor(_options) {
+  constructor(options = {pingParent: true}) {
     this.interceptLogs();
     this.events = new Events();
-
-    this.pingParent();
+    if(options.pingParent) {
+      this.pingParent();
+    }
   }
 
   // Ping parent to see if it is still alive. Otherwise, let's die

lib/modules/solidity/solcP.js

@@ -10,7 +10,7 @@ const NpmTimer = require('../library_manager/npmTimer');
 class SolcProcess extends ProcessWrapper {
 
   constructor(options){
-    super();
+    super({pingParent: false});
     this._logger = options.logger;
     this._showSpinner = options.showSpinner === true;
   }