Merge topic 'fix-gcc-compilation-error'

b608770c Common/DataModel/Testing: avoid ODR violations of helper functions

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Ben Boeckel <ben.boeckel@kitware.com>
Merge-request: !9333

Common/DataModel/Testing/Cxx/TestCellLocatorsEdgeCases.cxx

@@ -22,7 +22,7 @@
 #include "vtkStaticCellLocator.h"
 #include "vtkXMLPolyDataReader.h"
 
-bool TestCell(vtkDataSet* ds, vtkIdType cellId, double x1[3], double x2[3], double tol)
+static bool TestCell(vtkDataSet* ds, vtkIdType cellId, double x1[3], double x2[3], double tol)
 {
   double t = 0.0;
   double x[3] = { 0.0, 0.0, 0.0 };
@@ -34,7 +34,7 @@ bool TestCell(vtkDataSet* ds, vtkIdType cellId, double x1[3], double x2[3], doub
   return static_cast<bool>(cell->IntersectWithLine(x1, x2, tol, t, x, pcoords, subId));
 }
 
-bool TestLocator(vtkDataSet* ds, vtkAbstractCellLocator* loc)
+static bool TestLocator(vtkDataSet* ds, vtkAbstractCellLocator* loc)
 {
   std::cout << "\nTesting " << loc->GetClassName() << std::endl;
   loc->SetDataSet(ds);

Common/DataModel/Testing/Cxx/TestStaticCellLocatorEdgeCases.cxx

@@ -21,7 +21,7 @@
 #include <vtkStaticCellLocator.h>
 #include <vtkXMLPolyDataReader.h>
 
-int TestCell(vtkDataSet* ds, int cellId, double x1[3], double x2[3], double tol)
+static int TestCell(vtkDataSet* ds, int cellId, double x1[3], double x2[3], double tol)
 {
   double t = 0.0;
   double x[3] = { 0.0, 0.0, 0.0 };