diff options
Diffstat (limited to 'lib/Sema/TreeTransform.h')
-rw-r--r-- | lib/Sema/TreeTransform.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Sema/TreeTransform.h b/lib/Sema/TreeTransform.h index 2091cffc83..bacf6d5d9b 100644 --- a/lib/Sema/TreeTransform.h +++ b/lib/Sema/TreeTransform.h @@ -3365,6 +3365,7 @@ TreeTransform<Derived>::TransformQualifiedType(TypeLocBuilder &TLB, // Objective-C ARC: // A lifetime qualifier applied to a substituted template parameter // overrides the lifetime qualifier from the template argument. + const AutoType *AutoTy; if (const SubstTemplateTypeParmType *SubstTypeParam = dyn_cast<SubstTemplateTypeParmType>(Result)) { QualType Replacement = SubstTypeParam->getReplacementType(); @@ -3377,6 +3378,15 @@ TreeTransform<Derived>::TransformQualifiedType(TypeLocBuilder &TLB, SubstTypeParam->getReplacedParameter(), Replacement); TLB.TypeWasModifiedSafely(Result); + } else if ((AutoTy = dyn_cast<AutoType>(Result)) && AutoTy->isDeduced()) { + // 'auto' types behave the same way as template parameters. + QualType Deduced = AutoTy->getDeducedType(); + Qualifiers Qs = Deduced.getQualifiers(); + Qs.removeObjCLifetime(); + Deduced = SemaRef.Context.getQualifiedType(Deduced.getUnqualifiedType(), + Qs); + Result = SemaRef.Context.getAutoType(Deduced); + TLB.TypeWasModifiedSafely(Result); } else { // Otherwise, complain about the addition of a qualifier to an // already-qualified type. |