diff options
Diffstat (limited to 'lib/Sema')
| -rw-r--r-- | lib/Sema/Sema.h | 1 | ||||
| -rw-r--r-- | lib/Sema/SemaStmt.cpp | 9 |
2 files changed, 10 insertions, 0 deletions
diff --git a/lib/Sema/Sema.h b/lib/Sema/Sema.h index ad4c90bdc2..72039e2756 100644 --- a/lib/Sema/Sema.h +++ b/lib/Sema/Sema.h @@ -1260,6 +1260,7 @@ public: virtual OwningStmtResult ActOnDeclStmt(DeclGroupPtrTy Decl, SourceLocation StartLoc, SourceLocation EndLoc); + virtual void ActOnForEachDeclStmt(DeclGroupPtrTy Decl); virtual OwningStmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprArg LHSVal, SourceLocation DotDotDotLoc, ExprArg RHSVal, SourceLocation ColonLoc); diff --git a/lib/Sema/SemaStmt.cpp b/lib/Sema/SemaStmt.cpp index d0f214fbd8..9960565877 100644 --- a/lib/Sema/SemaStmt.cpp +++ b/lib/Sema/SemaStmt.cpp @@ -59,6 +59,15 @@ Sema::OwningStmtResult Sema::ActOnDeclStmt(DeclGroupPtrTy dg, return Owned(new (Context) DeclStmt(DG, StartLoc, EndLoc)); } +void Sema::ActOnForEachDeclStmt(DeclGroupPtrTy dg) { + DeclGroupRef DG = dg.getAsVal<DeclGroupRef>(); + + // If we have an invalid decl, just return. + if (DG.isNull() || !DG.isSingleDecl()) return; + // suppress any potential 'unused variable' warning. + DG.getSingleDecl()->setUsed(); +} + void Sema::DiagnoseUnusedExprResult(const Stmt *S) { const Expr *E = dyn_cast_or_null<Expr>(S); if (!E) |