diff --git a/gcc/testsuite/gcc.dg/pr105049.c b/gcc/testsuite/gcc.dg/pr105049.c
new file mode 100644
index 00000000000..b0518c6a181
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr105049.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fno-tree-forwprop" } */
+
+typedef short __attribute__((__vector_size__ (sizeof(short)))) V;
+typedef short __attribute__((__vector_size__ (2*sizeof(short)))) U;
+char c;
+
+U
+foo (void)
+{
+  return __builtin_shufflevector ((V){}, (V){}, 0, 0) & c;
+}
diff --git a/gcc/tree.cc b/gcc/tree.cc
index b8017af6cfc..ec200e9a7eb 100644
--- a/gcc/tree.cc
+++ b/gcc/tree.cc
@@ -10266,6 +10266,8 @@ uniform_vector_p (const_tree vec)
       if (i != nelts)
 	return NULL_TREE;
 
+      if (TREE_CODE (first) == CONSTRUCTOR || TREE_CODE (first) == VECTOR_CST)
+	return uniform_vector_p (first);
       return first;
     }