diff --git a/biology/iqtree/files/patch-terraphast_lib_clamped__uint.cpp b/biology/iqtree/files/patch-terraphast_lib_clamped__uint.cpp
new file mode 100644
index 000000000000..200b2fb455a7
--- /dev/null
+++ b/biology/iqtree/files/patch-terraphast_lib_clamped__uint.cpp
@@ -0,0 +1,17 @@
+--- terraphast/lib/clamped_uint.cpp.orig	2026-05-05 02:34:53 UTC
++++ terraphast/lib/clamped_uint.cpp
+@@ -90,14 +90,10 @@ template class checked_uint<true>;
+ template class checked_uint<true>;
+ 
+ // explicitly instantiate template functions
+-template bool operator==(checked_uint<false>, checked_uint<false>);
+-template bool operator!=(checked_uint<false>, checked_uint<false>);
+ template checked_uint<false> operator+(checked_uint<false>, checked_uint<false>);
+ template checked_uint<false> operator*(checked_uint<false>, checked_uint<false>);
+ template std::ostream& operator<<(std::ostream&, checked_uint<false>);
+ 
+-template bool operator==(checked_uint<true>, checked_uint<true>);
+-template bool operator!=(checked_uint<true>, checked_uint<true>);
+ template checked_uint<true> operator+(checked_uint<true>, checked_uint<true>);
+ template checked_uint<true> operator*(checked_uint<true>, checked_uint<true>);
+ template std::ostream& operator<<(std::ostream&, checked_uint<true>);