Add TODO for SIZE= specifier until runtime is here

Author: jeanPerier

flang/lib/Lower/IO.cpp

@@ -10,12 +10,12 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "flang/Lower/IO.h"
 #include "ConvertVariable.h"
 #include "StatementContext.h"
 #include "flang/Lower/Allocatable.h"
 #include "flang/Lower/Bridge.h"
 #include "flang/Lower/ConvertExpr.h"
-#include "flang/Lower/IO.h"
 #include "flang/Lower/PFTBuilder.h"
 #include "flang/Lower/Runtime.h"
 #include "flang/Lower/Support/Utils.h"
@@ -946,6 +946,7 @@ mlir::Value genIOOption<Fortran::parser::IoControlSpec::Pos>(
     const Fortran::parser::IoControlSpec::Pos &spec) {
   return genIntIOOption<mkIOKey(SetPos)>(converter, loc, cookie, stmtCtx, spec);
 }
+
 template <>
 mlir::Value genIOOption<Fortran::parser::IoControlSpec::Rec>(
     Fortran::lower::AbstractConverter &converter, mlir::Location loc,
@@ -954,6 +955,15 @@ mlir::Value genIOOption<Fortran::parser::IoControlSpec::Rec>(
   return genIntIOOption<mkIOKey(SetRec)>(converter, loc, cookie, stmtCtx, spec);
 }
 
+template <>
+mlir::Value genIOOption<Fortran::parser::IoControlSpec::Size>(
+    Fortran::lower::AbstractConverter &converter, mlir::Location loc,
+    mlir::Value cookie, Fortran::lower::StatementContext &,
+    const Fortran::parser::IoControlSpec::Size &) {
+  // Runtime GetSize is not implemented yet.
+  TODO(loc, "SIZE= specifier in a data transfer statement");
+}
+
 //===----------------------------------------------------------------------===//
 // Gather IO statement condition specifier information (if any).
 //===----------------------------------------------------------------------===//