[PATCH] D52695: [clang][Parse] Diagnose useless null statements (PR39111)

[Roman Lebedev via Phabricator via cfe-commits]

lebedev.ri updated this revision to Diff 168000.
lebedev.ri marked 4 inline comments as done.
lebedev.ri added a comment.

Thank you for taking a look!

- Move it into `ParseCompoundStatementBody()`, thus fixing false-positives with `case X: ;` e.g.
- Rename to `-Wextra-semi-stmt`
- Add `-Wempty-init-stmt` (tentatively included into `-Wextra` too), to diagnose empty init-statements of `if`/`switch`/`range-based for`


Repository:
  rC Clang

https://reviews.llvm.org/D52695

Files:
  docs/ReleaseNotes.rst
  include/clang/Basic/DiagnosticGroups.td
  include/clang/Basic/DiagnosticParseKinds.td
  lib/Parse/ParseExprCXX.cpp
  lib/Parse/ParseStmt.cpp
  test/Parser/extra-semi-resulting-in-nullstmt.cpp
  test/SemaCXX/extra-semi-resulting-in-nullstmt-in-init-statement.cpp

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