"TypeError: Cannot read property 'text' of undefined" when compiling to production

**Description:**
TypeError when compiling to production

**Steps to Reproduce:**
`npm run build --prod --verbose`

**Output:**
```
npm info it worked if it ends with ok
npm verb cli [ '/usr/local/bin/node',
npm verb cli '/usr/local/bin/npm',
npm verb cli 'run',
npm verb cli 'build',
npm verb cli '--prod',
npm verb cli '--verbose' ]
npm info using npm@6.3.0
npm info using node@v8.4.0
npm verb run-script [ 'prebuild', 'build', 'postbuild' ]
npm info lifecycle APP@1.0.0~prebuild: APP@1.0.0
npm info lifecycle APP@1.0.0~build: APP@1.0.0

> APP@1.0.0 build *HIDDEN*
> ionic-app-scripts build

[09:12:22] ionic-app-scripts 3.1.11
[09:12:22] build prod started ...
[09:12:22] clean started ...
[09:12:22] clean finished in less than 1 ms
[09:12:22] copy started ...
[09:12:22] deeplinks started ...
[09:12:23] deeplinks finished in 195 ms
[09:12:23] ngc started ...
[09:12:26] ionic-app-script task: "build"
[09:12:26] TypeError: Cannot read property 'text' of undefined
TypeError: Cannot read property 'text' of undefined
at exportedIdentifierName (*HIDDEN*/node_modules/@angular/compiler-cli/node_modules/@angular/tsc-wrapped/src/collector.js:241:44)
at exportedName (*HIDDEN*/node_modules/@angular/compiler-cli/node_modules/@angular/tsc-wrapped/src/collector.js:243:53)
at *HIDDEN*/node_modules/@angular/compiler-cli/node_modules/@angular/tsc-wrapped/src/collector.js:342:38
at visitNodes (*HIDDEN*/node_modules/typescript/lib/typescript.js:14809:30)
at Object.forEachChild (*HIDDEN*/node_modules/typescript/lib/typescript.js:15035:24)
at MetadataCollector.getMetadata (*HIDDEN*/node_modules/@angular/compiler-cli/node_modules/@angular/tsc-wrapped/src/collector.js:279:12)
at CompilerHost.upgradeVersion1Metadata (*HIDDEN*/node_modules/@angular/compiler-cli/src/compiler_host.js:230:46)
at CompilerHost.getMetadataFor (*HIDDEN*/node_modules/@angular/compiler-cli/src/compiler_host.js:187:30)
at StaticSymbolResolver.getModuleMetadata (*HIDDEN*/node_modules/@angular/compiler/bundles/compiler.umd.js:24456:62)
at StaticSymbolResolver._createSymbolsOf (*HIDDEN*/node_modules/@angular/compiler/bundles/compiler.umd.js:24260:46)
npm verb lifecycle APP@1.0.0~build: unsafe-perm in lifecycle true
npm verb lifecycle APP@1.0.0~build: PATH: /usr/local/lib/node_modules/npm/node_modules/npm-lifecycle/node-gyp-bin:*HIDDEN*/node_modules/.bin:/home/devnix/.npm-packages/bin:/home/devnix/.sdkman/candidates/gradle/current/bin:/home/devnix/Komodo-Edit-10/bin:/usr/games:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/home/devnix/.composer/vendor/bin/:/home/devnix/bin:/usr/lib/jvm/default-java/bin:/home/devnix/Android/Sdk/platform-tools:/home/devnix/Android/Sdk/tools:/opt/gradle/gradle-4.8.1/bin
npm verb lifecycle APP@1.0.0~build: CWD: *HIDDEN*
npm info lifecycle APP@1.0.0~build: Failed to exec build script
npm verb stack Error: APP@1.0.0 build: `ionic-app-scripts build`
npm verb stack Exit status 1
npm verb stack at EventEmitter. (/usr/local/lib/node_modules/npm/node_modules/npm-lifecycle/index.js:304:16)
npm verb stack at emitTwo (events.js:125:13)
npm verb stack at EventEmitter.emit (events.js:213:7)
npm verb stack at ChildProcess. (/usr/local/lib/node_modules/npm/node_modules/npm-lifecycle/lib/spawn.js:55:14)
npm verb stack at emitTwo (events.js:125:13)
npm verb stack at ChildProcess.emit (events.js:213:7)
npm verb stack at maybeClose (internal/child_process.js:927:16)
npm verb stack at Process.ChildProcess._handle.onexit (internal/child_process.js:211:5)
npm verb pkgid APP@1.0.0
npm verb cwd *HIDDEN*
npm verb Linux 4.4.0-131-generic
npm verb argv "/usr/local/bin/node" "/usr/local/bin/npm" "run" "build" "--prod" "--verbose"
npm verb node v8.4.0
npm verb npm v6.3.0
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! APP@1.0.0 build: `ionic-app-scripts build`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the APP@1.0.0 build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm verb exit [ 1, true ]
npm timing npm Completed in 4849ms

npm ERR! A complete log of this run can be found in:
npm ERR! /home/devnix/.npm/_logs/2018-08-07T07_12_26_031Z-debug.log
```

**My `ionic info`:**

```
Ionic:

ionic (Ionic CLI) : 4.0.5
Ionic Framework : ionic-angular 3.9.2
@ionic/app-scripts : 3.1.11

Cordova:

cordova (Cordova CLI) : 8.0.0
Cordova Platforms : android 7.1.1

System:

Android SDK Tools : 26.1.1
NodeJS : v8.4.0 (/usr/local/bin/node)
npm : 6.3.0
OS : Linux 4.4

Environment:

ANDROID_HOME : /home/devnix/Android/Sdk
```

**Other Information:**

I have not problems when compiling in debug mode, I think it may be related with the AOT compilation.