diff options
Diffstat (limited to 'clang/lib/Sema/SemaDecl.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaDecl.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp index 7f443b3d3ff..fb2468f9ab9 100644 --- a/clang/lib/Sema/SemaDecl.cpp +++ b/clang/lib/Sema/SemaDecl.cpp @@ -9865,6 +9865,18 @@ void Sema::AddInitializerToDecl(Decl *RealDecl, Expr *Init, // Perform the initialization. ParenListExpr *CXXDirectInit = dyn_cast<ParenListExpr>(Init); if (!VDecl->isInvalidDecl()) { + // Handle errors like: int a({0}) + if (CXXDirectInit && CXXDirectInit->getNumExprs() == 1 && + !canInitializeWithParenthesizedList(VDecl->getType())) + if (auto IList = dyn_cast<InitListExpr>(CXXDirectInit->getExpr(0))) { + Diag(VDecl->getLocation(), diag::err_list_init_in_parens) + << VDecl->getType() << CXXDirectInit->getSourceRange() + << FixItHint::CreateRemoval(CXXDirectInit->getLocStart()) + << FixItHint::CreateRemoval(CXXDirectInit->getLocEnd()); + Init = IList; + CXXDirectInit = nullptr; + } + InitializedEntity Entity = InitializedEntity::InitializeVariable(VDecl); InitializationKind Kind = DirectInit @@ -10171,6 +10183,18 @@ void Sema::ActOnInitializerError(Decl *D) { // though. } +/// Checks if an object of the given type can be initialized with parenthesized +/// init-list. +/// +/// \param TargetType Type of object being initialized. +/// +/// The function is used to detect wrong initializations, such as 'int({0})'. +/// +bool Sema::canInitializeWithParenthesizedList(QualType TargetType) { + return TargetType->isDependentType() || TargetType->isRecordType() || + TargetType->getContainedAutoType(); +} + void Sema::ActOnUninitializedDecl(Decl *RealDecl, bool TypeMayContainAuto) { // If there is no declaration, there was an error parsing it. Just ignore it. |
