ref: a9ce3af09838cd6cfefedb9b3e37c2089af61be5
dir: /bugs-fixed/fmt-overflow.ok/
1.2500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000