Remove some unused variable warnings

diff --git a/include/deal.II/base/vectorization.h b/include/deal.II/base/vectorization.h
index 2b21d6f797adb466db755ba097bd35be9723260d..24739e5a37c6bb4c77c73ea55c807d19bd95219c 100644 (file)
--- a/include/deal.II/base/vectorization.h
+++ b/include/deal.II/base/vectorization.h
@@ -3324,6 +3324,11 @@ public:
   operator=(const double x)
   {
     data = vec_splats(x);
+
+    // Some compilers believe that vec_splats sets 'x', but that's not true.
+    // They then warn about setting a variable and not using it. Suppress the
+    // warning by "using" the variable:
+    (void)x;
     return *this;
   }
 
@@ -3558,6 +3563,11 @@ public:
   operator=(const float x)
   {
     data = vec_splats(x);
+
+    // Some compilers believe that vec_splats sets 'x', but that's not true.
+    // They then warn about setting a variable and not using it. Suppress the
+    // warning by "using" the variable:
+    (void)x;
     return *this;
   }