diff --git a/gcc/testsuite/gcc.c-torture/compile/pr96426.c b/gcc/testsuite/gcc.c-torture/compile/pr96426.c
new file mode 100644
index 000000000000..bd573fe53660
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr96426.c
@@ -0,0 +1,10 @@
+/* PR middle-end/96426 */
+
+typedef long long V __attribute__((vector_size(16)));
+typedef double W __attribute__((vector_size(16)));
+
+void
+foo (V *v)
+{
+  __builtin_convertvector (*v, W);
+}
diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c
index fe6477c85925..6d5d65195ae6 100644
--- a/gcc/tree-vect-generic.c
+++ b/gcc/tree-vect-generic.c
@@ -1775,6 +1775,12 @@ expand_vector_conversion (gimple_stmt_iterator *gsi)
   gimple *stmt = gsi_stmt (*gsi);
   gimple *g;
   tree lhs = gimple_call_lhs (stmt);
+  if (lhs == NULL_TREE)
+    {
+      g = gimple_build_nop ();
+      gsi_replace (gsi, g, false);
+      return;
+    }
   tree arg = gimple_call_arg (stmt, 0);
   tree ret_type = TREE_TYPE (lhs);
   tree arg_type = TREE_TYPE (arg);