diff --git a/devel/llvm16/files/patch-llvm_tools_sancov_sancov.cpp b/devel/llvm16/files/patch-llvm_tools_sancov_sancov.cpp
new file mode 100644
index 000000000000..d94ab7e5a481
--- /dev/null
+++ b/devel/llvm16/files/patch-llvm_tools_sancov_sancov.cpp
@@ -0,0 +1,11 @@
+--- llvm/tools/sancov/sancov.cpp.orig	2023-06-10 22:58:16 UTC
++++ llvm/tools/sancov/sancov.cpp
+@@ -518,7 +518,7 @@ class Ignorelists { (private)
+   static std::unique_ptr<SpecialCaseList> createUserIgnorelist() {
+     if (ClIgnorelist.empty())
+       return std::unique_ptr<SpecialCaseList>();
+-    return SpecialCaseList::createOrDie({{ClIgnorelist}},
++    return SpecialCaseList::createOrDie({{ClIgnorelist.getValue()}},
+                                         *vfs::getRealFileSystem());
+   }
+   std::unique_ptr<SpecialCaseList> DefaultIgnorelist;