122     result.push_back(extent.ToInt64());  in AsConstantExtents()
258               auto lbValue{ToInt64(*lbound)};  in GetLowerBound()
272                   auto extent{ToInt64(Fold(*context_,  in GetLowerBound()
284                   auto ubValue{ToInt64(*ubound)};  in GetLowerBound()
407   std::optional<ConstantSubscript> uval{ToInt64(ubound)};  in GetNonNegativeExtent()
408   std::optional<ConstantSubscript> lval{ToInt64(lbound)};  in GetNonNegativeExtent()
518     if (ToInt64(lower).value_or(0) == 1) {  in ComputeUpperBound()
570       if (auto cstExtent{ToInt64(  in GetExplicitUBOUND()
800           if (auto dim{ToInt64(*dimArg)}) {  in operator ()()
818             auto dim{ToInt64(*dimArg)};  in operator ()()
907           if (auto dim{ToInt64(*dimArg)}) {  in operator ()()
943                 if (auto sourceBytesConst{ToInt64(*sourceBytes)}) {  in operator ()()
953                   auto moldElementBytesConst{ToInt64(*moldElementBytes)};  in operator ()()
1009     if (auto leftDim{ToInt64(left[j])}) {  in CheckConformance()
1010       if (auto rightDim{ToInt64(right[j])}) {  in CheckConformance()