[PATCH] D63139: [Diagnostics] Implement -Wswitch-unreachable

[Dávid Bolvanský via Phabricator via cfe-commits]

xbolva00 created this revision.
xbolva00 added reviewers: aaron.ballman, rsmith, rjmccall.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

Detects unreachable statements in switches. GCC supports this warning too, on by default.


Repository:
  rC Clang

https://reviews.llvm.org/D63139

Files:
  include/clang/Basic/DiagnosticGroups.td
  include/clang/Basic/DiagnosticSemaKinds.td
  lib/Sema/SemaStmt.cpp
  test/Sema/switch_unreachable.c
  test/SemaCXX/switch_unreachable.cpp

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