[JIT] IRParser: properly parse negative numbers. (#39981)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/39981
Test Plan: Imported from OSS
Reviewed By: jamesr66a
Differential Revision: D22032786
Pulled By: ZolotukhinM
fbshipit-source-id: b6c5237ac5c1c331d5053a620eb9a37a4c698125
Author
Mikhail Zolotukhin
