llvm-project

6ad82fcc - [FileCheck][Docs] Fix regex for FileCheck variable names (#97301)

[FileCheck][Docs] Fix regex for FileCheck variable names (#97301) This fixes a minor oversight in the FileCheck documentation on what is considered a valid variable name. Global variables are prefixed with a `$`, which is explained two paragraphs below, but this was omitted in the presented regex in this paragraph.