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-rw-r--r--flang/lib/Lower/IO.cpp11
1 files changed, 9 insertions, 2 deletions
diff --git a/flang/lib/Lower/IO.cpp b/flang/lib/Lower/IO.cpp
index 98dc78f..cd53dc9 100644
--- a/flang/lib/Lower/IO.cpp
+++ b/flang/lib/Lower/IO.cpp
@@ -524,12 +524,18 @@ getNamelistGroup(Fortran::lower::AbstractConverter &converter,
descAddr =
builder.createConvert(loc, builder.getRefType(symType), varAddr);
} else {
+ fir::BaseBoxType boxType;
const auto expr = Fortran::evaluate::AsGenericExpr(s);
fir::ExtendedValue exv = converter.genExprAddr(*expr, stmtCtx);
mlir::Type type = fir::getBase(exv).getType();
+ bool isClassType = mlir::isa<fir::ClassType>(type);
if (mlir::Type baseTy = fir::dyn_cast_ptrOrBoxEleTy(type))
type = baseTy;
- fir::BoxType boxType = fir::BoxType::get(fir::PointerType::get(type));
+
+ if (isClassType)
+ boxType = fir::ClassType::get(fir::PointerType::get(type));
+ else
+ boxType = fir::BoxType::get(fir::PointerType::get(type));
descAddr = builder.createTemporary(loc, boxType);
fir::MutableBoxValue box = fir::MutableBoxValue(descAddr, {}, {});
fir::factory::associateMutableBox(builder, loc, box, exv,
@@ -944,7 +950,8 @@ static void genIoLoop(Fortran::lower::AbstractConverter &converter,
makeNextConditionalOn(builder, loc, checkResult, ok, inLoop);
const auto &itemList = std::get<0>(ioImpliedDo.t);
const auto &control = std::get<1>(ioImpliedDo.t);
- const auto &loopSym = *control.name.thing.thing.symbol;
+ const auto &loopSym =
+ *Fortran::parser::UnwrapRef<Fortran::parser::Name>(control.name).symbol;
mlir::Value loopVar = fir::getBase(converter.genExprAddr(
Fortran::evaluate::AsGenericExpr(loopSym).value(), stmtCtx));
auto genControlValue = [&](const Fortran::parser::ScalarIntExpr &expr) {