Bug Report or Feature Request (mark with an x)

- [x] bug report -> please search issues before submitting
- [ ] feature request

Versions.

Angular CLI: 1.5.0
Node: 8.5.0
OS: darwin x64
Angular: 5.0.1
... animations, common, compiler, compiler-cli, core, forms
... http, language-service, platform-browser
... platform-browser-dynamic, router

@angular/cdk: 5.0.0-rc0
@angular/cli: 1.5.0
@angular/flex-layout: 2.0.0-beta.10-4905443
@angular/material: 5.0.0-rc0
@angular-devkit/build-optimizer: 0.0.32
@angular-devkit/core: 0.0.20
@angular-devkit/schematics: 0.0.35
@ngtools/json-schema: 1.1.0
@ngtools/webpack: 1.8.0
@schematics/angular: 0.1.2
typescript: 2.4.2
webpack-bundle-analyzer: 2.9.1
webpack: 3.8.1

Repro steps.

rm -rf node_modules/
yarn add @angular/cli@latest -D
ng build --aot

The log given by the failure.

ERROR in Error: TypeError: Cannot read property 'kind' of undefined at nodeCanBeDecorated (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:7805:35) at nodeIsDecorated (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:7825:16) at Object.nodeOrChildIsDecorated (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:7829:16) at isDecoratedClassElement (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:51668:23) at isInstanceDecoratedClassElement (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:51659:20) at Object.filter (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:1652:25) at getDecoratedClassElements (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:51641:23) at generateClassElementDecorationExpressions (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:51815:27) at addClassElementDecorationStatements (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:51804:44) at visitClassDeclaration (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:51131:13) at visitTypeScript (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:50972:28) at visitorWorker (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:50785:24) at sourceElementVisitorWorker (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:50817:28) at saveStateAndInvoke (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:50738:27) at sourceElementVisitor (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:50799:20) at visitNodes (/Users/sam/Developer/ng-prime/node_modules/typescript/lib/typescript.js:49280:48)

Desired functionality.

AOT build should be successful

Mention any other details that might be useful.

The project built fine with AOT enabled with CLI v1.4.9