llvm-project

7cb5d896 - [SSAF][UnsafeBufferAnalysis] Do not create entries for empty contributors (follow-up change on #209354) (#216526)

[SSAF][UnsafeBufferAnalysis] Do not create entries for empty contributors (follow-up change on #209354) (#216526) Address follow up questions after the approval. - The analysis should not create entries for empty contributors, which otherwise is non-empty in the serialized format. - use std IO instead of a tmp file for regex-ing FileCheck queries. rdar://179151541 and rdar://179151882