* lisp/cedet/semantic/symref/grep.el (semantic-symref-perform-search): Use the `-w` flag instead of wrapping the pattern in regexps that make matching much slower. This speeds up `xref-find-references` by about 3× on macOS.
* lisp/cedet/semantic/symref/grep.el (semantic-symref-perform-search): Use the `-w` flag instead of wrapping the pattern in regexps that make matching much slower. This speeds up `xref-find-references` by about 3× on macOS.