diff --git a/gcc/cp/cp-gimplify.cc b/gcc/cp/cp-gimplify.cc
index 1216ef17b081d2ae61c1612336cb5378b7d9ca40..216a6231d6fcfb5f22fde455cd02d4c453008dbb 100644
--- a/gcc/cp/cp-gimplify.cc
+++ b/gcc/cp/cp-gimplify.cc
@@ -3267,6 +3267,16 @@ process_stmt_assume_attribute (tree std_attrs, tree statement,
   for (; attr; attr = lookup_attribute ("gnu", "assume", TREE_CHAIN (attr)))
     {
       tree args = TREE_VALUE (attr);
+      if (args && PACK_EXPANSION_P (args))
+	{
+	  auto_diagnostic_group d;
+	  error_at (attrs_loc, "pack expansion of %qE attribute",
+		    get_attribute_name (attr));
+	  if (cxx_dialect >= cxx17)
+	    inform (attrs_loc, "use fold expression in the attribute "
+			       "argument instead");
+	  continue;
+	}
       int nargs = list_length (args);
       if (nargs != 1)
 	{
diff --git a/gcc/testsuite/g++.dg/cpp23/attr-assume11.C b/gcc/testsuite/g++.dg/cpp23/attr-assume11.C
new file mode 100644
index 0000000000000000000000000000000000000000..df6e5890d4ca6dc724e3d1a6f1352e04a09b1124
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp23/attr-assume11.C
@@ -0,0 +1,22 @@
+// PR c++/109756
+// { dg-do compile { target c++11 } }
+
+template <int ...args>
+void
+foo ()
+{
+  [[assume (1 > 0)...]];		// { dg-error "expansion pattern '\\\(1 > 0\\\)' contains no parameter packs" }
+					// { dg-warning "attributes at the beginning of statement are ignored" "" { target *-*-* } .-1 }
+  [[assume (args > 0)...]];		// { dg-error "pack expansion of 'assume' attribute" }
+					// { dg-message "use fold expression in the attribute argument instead" "" { target c++17 } .-1 }
+#if __cpp_fold_expressions >= 201603L
+  [[assume (((args > 0) && ...))]];
+#endif
+  [[gnu::assume (1 > 0)...]];		// { dg-error "expansion pattern '\\\(1 > 0\\\)' contains no parameter packs" }
+					// { dg-warning "attributes at the beginning of statement are ignored" "" { target *-*-* } .-1 }
+  [[gnu::assume (args > 0)...]];	// { dg-error "pack expansion of 'assume' attribute" }
+					// { dg-message "use fold expression in the attribute argument instead" "" { target c++17 } .-1  }
+#if __cpp_fold_expressions >= 201603L
+  [[gnu::assume (((args > 0) && ...))]];
+#endif
+}