diff --git a/test/LuaJIT-tests/CMakeLists.txt b/test/LuaJIT-tests/CMakeLists.txt
index 019762e025..d29bcb6e22 100644
--- a/test/LuaJIT-tests/CMakeLists.txt
+++ b/test/LuaJIT-tests/CMakeLists.txt
@@ -62,6 +62,14 @@ if(CMAKE_C_FLAGS MATCHES "-march=skylake-avx512")
   list(APPEND LUAJIT_TEST_TAGS_EXTRA +avx512)
 endif()
 
+if(LUAJIT_ENABLE_TABLE_BUMP)
+  # Test <string/dump.lua> verifies that the bytecode is unchanged
+  # for the prototype with the recorded trace. Table bump
+  # optimization changes the TNEW/TDUP bytecodes, so skip the test
+  # in that case.
+  list(APPEND LUAJIT_TEST_TAGS_EXTRA +table_bump)
+endif()
+
 set(TEST_SUITE_NAME "LuaJIT-tests")
 
 # XXX: The call produces both test and target <LuaJIT-tests-deps>
diff --git a/test/LuaJIT-tests/lib/string/dump.lua b/test/LuaJIT-tests/lib/string/dump.lua
index 216c6eb8bf..9c29ac5063 100644
--- a/test/LuaJIT-tests/lib/string/dump.lua
+++ b/test/LuaJIT-tests/lib/string/dump.lua
@@ -1,6 +1,6 @@
 local loadstring = loadstring or load
 
-do --- Must unpatch modified bytecode with ILOOP/JLOOP etc.
+do --- Must unpatch modified bytecode with ILOOP/JLOOP etc. -table_bump
   local function foo()
     local t = {}
     for i=1,100 do t[i] = i end