Reproducer for aws/aws-cdk#18255

npm install
npm run cdk synth (=> should produce a yaml with success)
git checkout aws-cdk-1-139-0
npm install
npm run cdk synth (=> should fail with "You need to provide a concrete account for the target stack when using cross-account or cross-region events")

Name		Name	Last commit message	Last commit date
Latest commit History 4 Commits
bin		bin
lib		lib
test		test
.gitignore		.gitignore
.npmignore		.npmignore
README.md		README.md
cdk.json		cdk.json
jest.config.js		jest.config.js
package-lock.json		package-lock.json
package.json		package.json
tsconfig.json		tsconfig.json

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