Index: boost-1.81.0/libs/json/Jamfile
===================================================================
--- boost-1.81.0.orig/libs/json/Jamfile
+++ boost-1.81.0/libs/json/Jamfile
@@ -9,7 +9,6 @@
 
 import feature ;
 
-build-project bench ;
 build-project test ;
 build-project fuzzing ;
 build-project example ;
Index: boost-1.81.0/libs/json/test/Jamfile
===================================================================
--- boost-1.81.0.orig/libs/json/test/Jamfile
+++ boost-1.81.0/libs/json/test/Jamfile
@@ -60,7 +60,10 @@ project : requirements <include>.  ;
 
 for local f in $(SOURCES)
 {
-    run $(f) main.cpp /boost/json//boost_json ;
+    run $(f) main.cpp /boost/json//boost_json
+    : requirements
+    <cxxflags>-fno-var-tracking-assignments
+    ;
 }
 
 run limits.cpp main.cpp /boost/json//json_sources