diff options
Diffstat (limited to 'clang/lib/Sema/SemaTemplate.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaTemplate.cpp | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/clang/lib/Sema/SemaTemplate.cpp b/clang/lib/Sema/SemaTemplate.cpp index d4976f9..4bda31b 100644 --- a/clang/lib/Sema/SemaTemplate.cpp +++ b/clang/lib/Sema/SemaTemplate.cpp @@ -2962,19 +2962,6 @@ void DeclareImplicitDeductionGuidesForTypeAlias( Context.getCanonicalTemplateArgument( Context.getInjectedTemplateArg(NewParam)); } - // Substitute new template parameters into requires-clause if present. - Expr *RequiresClause = - transformRequireClause(SemaRef, F, TemplateArgsForBuildingFPrime); - // FIXME: implement the is_deducible constraint per C++ - // [over.match.class.deduct]p3.3: - // ... and a constraint that is satisfied if and only if the arguments - // of A are deducible (see below) from the return type. - auto *FPrimeTemplateParamList = TemplateParameterList::Create( - Context, AliasTemplate->getTemplateParameters()->getTemplateLoc(), - AliasTemplate->getTemplateParameters()->getLAngleLoc(), - FPrimeTemplateParams, - AliasTemplate->getTemplateParameters()->getRAngleLoc(), - /*RequiresClause=*/RequiresClause); // To form a deduction guide f' from f, we leverage clang's instantiation // mechanism, we construct a template argument list where the template @@ -3020,6 +3007,20 @@ void DeclareImplicitDeductionGuidesForTypeAlias( F, TemplateArgListForBuildingFPrime, AliasTemplate->getLocation(), Sema::CodeSynthesisContext::BuildingDeductionGuides)) { auto *GG = cast<CXXDeductionGuideDecl>(FPrime); + // Substitute new template parameters into requires-clause if present. + Expr *RequiresClause = + transformRequireClause(SemaRef, F, TemplateArgsForBuildingFPrime); + // FIXME: implement the is_deducible constraint per C++ + // [over.match.class.deduct]p3.3: + // ... and a constraint that is satisfied if and only if the arguments + // of A are deducible (see below) from the return type. + auto *FPrimeTemplateParamList = TemplateParameterList::Create( + Context, AliasTemplate->getTemplateParameters()->getTemplateLoc(), + AliasTemplate->getTemplateParameters()->getLAngleLoc(), + FPrimeTemplateParams, + AliasTemplate->getTemplateParameters()->getRAngleLoc(), + /*RequiresClause=*/RequiresClause); + buildDeductionGuide(SemaRef, AliasTemplate, FPrimeTemplateParamList, GG->getCorrespondingConstructor(), GG->getExplicitSpecifier(), GG->getTypeSourceInfo(), |