diff options
Diffstat (limited to 'lib/Sema/SemaDecl.cpp')
| -rw-r--r-- | lib/Sema/SemaDecl.cpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp index bcec9d4839..98555d9525 100644 --- a/lib/Sema/SemaDecl.cpp +++ b/lib/Sema/SemaDecl.cpp @@ -629,6 +629,9 @@ static bool ShouldDiagnoseUnusedDecl(const NamedDecl *D) { if (D->isUsed() || D->hasAttr<UnusedAttr>()) return false; + if (isa<LabelDecl>(D)) + return true; + // White-list anything that isn't a local variable. if (!isa<VarDecl>(D) || isa<ParmVarDecl>(D) || isa<ImplicitParamDecl>(D) || !D->getDeclContext()->isFunctionOrMethod()) @@ -675,12 +678,15 @@ void Sema::DiagnoseUnusedDecl(const NamedDecl *D) { if (!ShouldDiagnoseUnusedDecl(D)) return; + unsigned DiagID; if (isa<VarDecl>(D) && cast<VarDecl>(D)->isExceptionVariable()) - Diag(D->getLocation(), diag::warn_unused_exception_param) - << D->getDeclName(); + DiagID = diag::warn_unused_exception_param; + else if (isa<LabelDecl>(D)) + DiagID = diag::warn_unused_label; else - Diag(D->getLocation(), diag::warn_unused_variable) - << D->getDeclName(); + DiagID = diag::warn_unused_variable; + + Diag(D->getLocation(), DiagID) << D->getDeclName(); } void Sema::ActOnPopScope(SourceLocation Loc, Scope *S) { |