diff --git a/gcc/config/aarch64/aarch64-sve-builtins.cc b/gcc/config/aarch64/aarch64-sve-builtins.cc
index 25612d2ea52..c0ba352599c 100644
--- a/gcc/config/aarch64/aarch64-sve-builtins.cc
+++ b/gcc/config/aarch64/aarch64-sve-builtins.cc
@@ -999,12 +999,25 @@ registered_function &
 function_builder::add_function (const function_instance &instance,
 				const char *name, tree fntype, tree attrs,
 				uint64_t required_extensions,
-				bool overloaded_p)
+				bool overloaded_p,
+				bool placeholder_p)
 {
   unsigned int code = vec_safe_length (registered_functions);
   code = (code << AARCH64_BUILTIN_SHIFT) | AARCH64_BUILTIN_SVE;
-  tree decl = simulate_builtin_function_decl (input_location, name, fntype,
-					      code, NULL, attrs);
+
+  /* We need to be able to generate placeholders to enusre that we have a
+     consistent numbering scheme for function codes between the C and C++
+     frontends, so that everything ties up in LTO.
+
+     The placeholder needs to be non-NULL and some node other than
+     error_mark_node to pass validation when the builtin is streamed in to lto1.
+
+     It's also convenient if the placeholder can store the name, so build a
+     FUNCTION_DECL, but don't register it with the frontend.  */
+  tree decl = placeholder_p
+    ? build_decl (input_location, FUNCTION_DECL, get_identifier (name), fntype)
+    : simulate_builtin_function_decl (input_location, name, fntype,
+				      code, NULL, attrs);
 
   registered_function &rfn = *ggc_alloc <registered_function> ();
   rfn.instance = instance;
@@ -1036,7 +1049,7 @@ function_builder::add_unique_function (const function_instance &instance,
 					   argument_types.address ());
   tree attrs = get_attributes (instance);
   registered_function &rfn = add_function (instance, name, fntype, attrs,
-					   required_extensions, false);
+					   required_extensions, false, false);
 
   /* Enter the function into the hash table.  */
   hashval_t hash = instance.hash ();
@@ -1047,16 +1060,14 @@ function_builder::add_unique_function (const function_instance &instance,
 
   /* Also add the function under its overloaded alias, if we want
      a separate decl for each instance of an overloaded function.  */
-  if (m_direct_overloads || force_direct_overloads)
+  char *overload_name = get_name (instance, true);
+  if (strcmp (name, overload_name) != 0)
     {
-      char *overload_name = get_name (instance, true);
-      if (strcmp (name, overload_name) != 0)
-	{
-	  /* Attribute lists shouldn't be shared.  */
-	  tree attrs = get_attributes (instance);
-	  add_function (instance, overload_name, fntype, attrs,
-			required_extensions, false);
-	}
+      /* Attribute lists shouldn't be shared.  */
+      tree attrs = get_attributes (instance);
+      bool placeholder_p = !(m_direct_overloads || force_direct_overloads);
+      add_function (instance, overload_name, fntype, attrs,
+		    required_extensions, false, placeholder_p);
     }
 
   obstack_free (&m_string_obstack, name);
@@ -1084,7 +1095,7 @@ function_builder::add_overloaded_function (const function_instance &instance,
     {
       registered_function &rfn
 	= add_function (instance, name, m_overload_type, NULL_TREE,
-			required_extensions, true);
+			required_extensions, true, m_direct_overloads);
       const char *permanent_name = IDENTIFIER_POINTER (DECL_NAME (rfn.decl));
       m_overload_names.put (permanent_name, &rfn);
     }
@@ -1098,9 +1109,6 @@ void
 function_builder::add_overloaded_functions (const function_group_info &group,
 					    mode_suffix_index mode)
 {
-  if (m_direct_overloads)
-    return;
-
   unsigned int explicit_type0 = (*group.shape)->explicit_type_suffix_p (0);
   unsigned int explicit_type1 = (*group.shape)->explicit_type_suffix_p (1);
   for (unsigned int pi = 0; group.preds[pi] != NUM_PREDS; ++pi)
diff --git a/gcc/config/aarch64/aarch64-sve-builtins.h b/gcc/config/aarch64/aarch64-sve-builtins.h
index 620e18841b2..b701f90ac1a 100644
--- a/gcc/config/aarch64/aarch64-sve-builtins.h
+++ b/gcc/config/aarch64/aarch64-sve-builtins.h
@@ -337,7 +337,8 @@ private:
   tree get_attributes (const function_instance &);
 
   registered_function &add_function (const function_instance &,
-				     const char *, tree, tree, uint64_t, bool);
+				     const char *, tree, tree,
+				     uint64_t, bool, bool);
 
   /* The function type to use for functions that are resolved by
      function_resolver.  */
diff --git a/gcc/testsuite/g++.target/aarch64/sve/pr99216.C b/gcc/testsuite/g++.target/aarch64/sve/pr99216.C
new file mode 100644
index 00000000000..61a58a7fcf4
--- /dev/null
+++ b/gcc/testsuite/g++.target/aarch64/sve/pr99216.C
@@ -0,0 +1,5 @@
+/* { dg-do link { target aarch64_asm_sve_ok } } */
+/* { dg-additional-options "-flto" } */
+#include <arm_sve.h>
+bool a;
+int main() { a = svaddv(svptrue_b8(), svdup_s8(0)); }
