diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index 8624f8221fd3b75be097800e33e9433e4a34e186..326476f02388016d835c284c15c19bebdec83b92 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -1829,6 +1829,7 @@ is_var_need_auto_init (tree decl)
 	  || !DECL_HARD_REGISTER (decl))
       && (flag_auto_var_init > AUTO_INIT_UNINITIALIZED)
       && (!lookup_attribute ("uninitialized", DECL_ATTRIBUTES (decl)))
+      && !OPAQUE_TYPE_P (TREE_TYPE (decl))
       && !is_empty_type (TREE_TYPE (decl)))
     return true;
   return false;
diff --git a/gcc/testsuite/gcc.target/powerpc/pr103127.c b/gcc/testsuite/gcc.target/powerpc/pr103127.c
new file mode 100644
index 0000000000000000000000000000000000000000..801fc0a46207e2d94d30d304054c2eb395666dd7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr103127.c
@@ -0,0 +1,19 @@
+/* PR target/103127 */
+/* { dg-require-effective-target power10_ok } */
+/* { dg-options "-O2 -mdejagnu-cpu=power10 -ftrivial-auto-var-init=zero" } */
+
+/* Verify we do not ICE on the following tests.  */
+
+void
+foo (__vector_quad *dst)
+{
+  __vector_quad acc;
+  *dst = acc;
+}
+
+void
+bar (__vector_pair *dst)
+{
+  __vector_pair pair;
+  *dst = pair;
+}