diff options
| author | Richard Trieu <rtrieu@google.com> | 2015-01-10 06:04:18 +0000 |
|---|---|---|
| committer | Richard Trieu <rtrieu@google.com> | 2015-01-10 06:04:18 +0000 |
| commit | 53472c9fc35126a8473db35e8ea8daabadf761b4 (patch) | |
| tree | 499b0b47f53f471ccb07705143dc7ea801b0c6a2 /include | |
| parent | 22c634704f7f4a0803f08bebd1e1bc662f5ab77f (diff) | |
Add a new warning, -Wself-move, to Clang.
-Wself-move is similiar to -Wself-assign. This warning is triggered when
a value is attempted to be moved to itself. See r221008 for a bug that
would have been caught with this warning.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@225581 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
| -rw-r--r-- | include/clang/Basic/DiagnosticGroups.td | 2 | ||||
| -rw-r--r-- | include/clang/Basic/DiagnosticSemaKinds.td | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/include/clang/Basic/DiagnosticGroups.td b/include/clang/Basic/DiagnosticGroups.td index d4610e0a3f..75d40b17a6 100644 --- a/include/clang/Basic/DiagnosticGroups.td +++ b/include/clang/Basic/DiagnosticGroups.td @@ -294,6 +294,7 @@ def BindToTemporaryCopy : DiagGroup<"bind-to-temporary-copy", [CXX98CompatBindToTemporaryCopy]>; def SelfAssignmentField : DiagGroup<"self-assign-field">; def SelfAssignment : DiagGroup<"self-assign", [SelfAssignmentField]>; +def SelfMove : DiagGroup<"self-move">; def SemiBeforeMethodBody : DiagGroup<"semicolon-before-method-body">; def Sentinel : DiagGroup<"sentinel">; def MissingMethodReturnType : DiagGroup<"missing-method-return-type">; @@ -586,6 +587,7 @@ def Most : DiagGroup<"most", [ Reorder, ReturnType, SelfAssignment, + SelfMove, SizeofArrayArgument, SizeofArrayDecay, StringPlusInt, diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td index cfe7b99b93..4bf83b6aed 100644 --- a/include/clang/Basic/DiagnosticSemaKinds.td +++ b/include/clang/Basic/DiagnosticSemaKinds.td @@ -4701,6 +4701,9 @@ def warn_addition_in_bitshift : Warning< def warn_self_assignment : Warning< "explicitly assigning value of variable of type %0 to itself">, InGroup<SelfAssignment>, DefaultIgnore; +def warn_self_move : Warning< + "explicitly moving variable of type %0 to itself">, + InGroup<SelfMove>, DefaultIgnore; def warn_string_plus_int : Warning< "adding %0 to a string does not append to the string">, |