diff --git a/Kernel/CMakeLists.txt b/Kernel/CMakeLists.txt
index 3f5328b3e5..cae9bb2fd0 100644
--- a/Kernel/CMakeLists.txt
+++ b/Kernel/CMakeLists.txt
@@ -486,6 +486,11 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
 
     set(TARGET_STRING "")
 
+
+    # Prevent naively implemented string functions (like strlen) from being "optimized" into a call to themselves.
+    set_source_files_properties(MiniStdlib.cpp
+        PROPERTIES COMPILE_FLAGS "-fno-tree-loop-distribution -fno-tree-loop-distribute-patterns")
+
     add_link_options(LINKER:-z,pack-relative-relocs)
 else() # Assume Clang
     add_compile_options(-Waddress-of-packed-member)
diff --git a/Userland/DynamicLoader/CMakeLists.txt b/Userland/DynamicLoader/CMakeLists.txt
index eaaf9b075e..55c86fc19e 100644
--- a/Userland/DynamicLoader/CMakeLists.txt
+++ b/Userland/DynamicLoader/CMakeLists.txt
@@ -36,6 +36,12 @@ set_source_files_properties (../Libraries/LibC/ssp.cpp PROPERTIES COMPILE_FLAGS
 # Prevent GCC from removing null checks by marking the `FILE*` argument non-null
 set_source_files_properties(../Libraries/LibC/stdio.cpp PROPERTIES COMPILE_FLAGS "-fno-builtin-fputc -fno-builtin-fputs -fno-builtin-fwrite")
 
+# Prevent naively implemented string functions (like strlen) from being "optimized" into a call to themselves.
+if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+    set_source_files_properties(../Libraries/LibC/string.cpp ../Libraries/LibC/wchar.cpp
+        PROPERTIES COMPILE_FLAGS "-fno-tree-loop-distribution -fno-tree-loop-distribute-patterns")
+endif()
+
 add_executable(Loader.so ${SOURCES})
 
 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
diff --git a/Userland/Libraries/LibC/CMakeLists.txt b/Userland/Libraries/LibC/CMakeLists.txt
index 2842d32fe0..9485cc602d 100644
--- a/Userland/Libraries/LibC/CMakeLists.txt
+++ b/Userland/Libraries/LibC/CMakeLists.txt
@@ -142,6 +142,11 @@ set_source_files_properties(stdio.cpp PROPERTIES COMPILE_FLAGS "-fno-builtin-fpu
 # Add in the `posix_memalign` symbol to avoid breaking existing binaries.
 set_source_files_properties(stdlib.cpp PROPERTIES COMPILE_FLAGS "-DSERENITY_LIBC_SHOW_POSIX_MEMALIGN")
 
+# Prevent naively implemented string functions (like strlen) from being "optimized" into a call to themselves.
+if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+    set_source_files_properties(string.cpp wchar.cpp PROPERTIES COMPILE_FLAGS "-fno-tree-loop-distribution -fno-tree-loop-distribute-patterns")
+endif()
+
 add_library(LibCStaticWithoutDeps STATIC ${SOURCES})
 target_link_libraries(LibCStaticWithoutDeps PUBLIC ssp LibTimeZone PRIVATE NoCoverage)
 add_dependencies(LibCStaticWithoutDeps LibM LibSystem LibUBSanitizer)