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[clang][Sema] Null-check type in resolveMemberExpr() before checking for auto type #124628

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Merged
merged 1 commit into from
Jan 28, 2025
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[clang][Sema] Null-check type in resolveMemberExpr() before checking for auto type #124628

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6 changes: 4 additions & 2 deletions clang/lib/Sema/HeuristicResolver.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -231,15 +231,17 @@ std::vector<const NamedDecl *> HeuristicResolverImpl::resolveMemberExpr(
QualType BaseType = ME->getBaseType();
if (ME->isArrow()) {
BaseType = getPointeeType(BaseType);
if (BaseType.isNull())
return {};
}
if (BaseType.isNull())
return {};
if (const auto *BT = BaseType->getAs<BuiltinType>()) {
// If BaseType is the type of a dependent expression, it's just
// represented as BuiltinType::Dependent which gives us no information. We
// can get further by analyzing the dependent expression.
if (Base && BT->getKind() == BuiltinType::Dependent) {
BaseType = resolveExprToType(Base);
if (BaseType.isNull())
return {};
}
}
if (const auto *AT = BaseType->getContainedAutoType()) {
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