From 9fffa5ac41f1edc516f101bec3b0df4f7620a34e Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Sat, 18 Jun 2022 10:33:59 +0900
Subject: [PATCH] Can't use ReferenceCells in switch-case.

---
 tests/simplex/poisson_01.cc | 57 +++++++++++++++++++------------------
 1 file changed, 30 insertions(+), 27 deletions(-)

diff --git a/tests/simplex/poisson_01.cc b/tests/simplex/poisson_01.cc
index 6392a7b4b6..e7bffa733e 100644
--- a/tests/simplex/poisson_01.cc
+++ b/tests/simplex/poisson_01.cc
@@ -257,35 +257,38 @@ test(const Triangulation<dim, spacedim> &tria,
   Assert(reference_cells.size() == 1, ExcNotImplemented());
   unsigned int lower = 0;
   unsigned int upper = 0;
-  switch (reference_cells[0])
+  if (reference_cells[0] == ReferenceCells::Triangle)
     {
-      case ReferenceCells::Triangle:
-        lower = 111;
-        upper = 115;
-        break;
-      case ReferenceCells::Quadrilateral:
-        lower = 96;
-        upper = 100;
-        break;
-      case ReferenceCells::Tetrahedron:
-        lower = 154;
-        upper = 158;
-        break;
-      case ReferenceCells::Hexahedron:
-        lower = 132;
-        upper = 136;
-        break;
-      case ReferenceCells::Wedge:
-        lower = 194;
-        upper = 198;
-        break;
-      case ReferenceCells::Pyramid:
-        lower = 81;
-        upper = 85;
-        break;
-      default:
-        Assert(false, ExcInternalError());
+      lower = 111;
+      upper = 115;
     }
+  else if (reference_cells[0] == ReferenceCells::Quadrilateral)
+    {
+      lower = 96;
+      upper = 100;
+    }
+  else if (reference_cells[0] == ReferenceCells::Tetrahedron)
+    {
+      lower = 154;
+      upper = 158;
+    }
+  else if (reference_cells[0] == ReferenceCells::Hexahedron)
+    {
+      lower = 132;
+      upper = 136;
+    }
+  else if (reference_cells[0] == ReferenceCells::Wedge)
+    {
+      lower = 194;
+      upper = 198;
+    }
+  else if (reference_cells[0] == ReferenceCells::Pyramid)
+    {
+      lower = 81;
+      upper = 85;
+    }
+  else
+    Assert(false, ExcInternalError());
 
   check_solver_within_range(
     solver.solve(system_matrix, solution, system_rhs, PreconditionIdentity()),
-- 
2.39.5