diff options
| author | John McCall <rjmccall@apple.com> | 2013-03-22 02:58:14 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2013-03-22 02:58:14 +0000 |
| commit | 437da054125a1e5cdd8c9765e09e42da922482f3 (patch) | |
| tree | e2d704e43de3062759ff242bf618fcebf7dc3e65 /include/clang/Basic | |
| parent | b760f11fae94e3003b9241ac50c02617465f2fa2 (diff) | |
Warn about attempts to reinterpret_cast between two types that are
hierarchy-related at a possibly nonzero offset.
Patch by Alexander Zinenko!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177698 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/clang/Basic')
| -rw-r--r-- | include/clang/Basic/DiagnosticGroups.td | 1 | ||||
| -rw-r--r-- | include/clang/Basic/DiagnosticSemaKinds.td | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/clang/Basic/DiagnosticGroups.td b/include/clang/Basic/DiagnosticGroups.td index 0ff0460903..1238e4baa2 100644 --- a/include/clang/Basic/DiagnosticGroups.td +++ b/include/clang/Basic/DiagnosticGroups.td @@ -266,6 +266,7 @@ def Trigraphs : DiagGroup<"trigraphs">; def : DiagGroup<"type-limits">; def UndefinedReinterpretCast : DiagGroup<"undefined-reinterpret-cast">; +def ReinterpretBaseClass : DiagGroup<"reinterpret-base-class">; def Unicode : DiagGroup<"unicode">; def UninitializedMaybe : DiagGroup<"conditional-uninitialized">; def UninitializedSometimes : DiagGroup<"sometimes-uninitialized">; diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td index 3c067cdedd..ec06e34471 100644 --- a/include/clang/Basic/DiagnosticSemaKinds.td +++ b/include/clang/Basic/DiagnosticSemaKinds.td @@ -4491,6 +4491,14 @@ def note_parameter_here : Note< def err_bad_reinterpret_cast_overload : Error< "reinterpret_cast cannot resolve overloaded function %0 to type %1">; +def warn_reinterpret_different_from_static : Warning< + "'reinterpret_cast' %select{from|to}3 class %0 %select{to|from}3 its " + "%select{virtual base|base at non-zero offset}2 %1 behaves differently from " + "'static_cast'">, InGroup<ReinterpretBaseClass>; +def note_reinterpret_updowncast_use_static: Note< + "use 'static_cast' to adjust the pointer correctly while " + "%select{upcasting|downcasting}0">; + def err_bad_static_cast_overload : Error< "address of overloaded function %0 cannot be static_cast to type %1">; |