diff --git a/pkgs/development/compilers/gcc/patches/14/libgcc-darwin-detection.patch b/pkgs/development/compilers/gcc/patches/14/libgcc-darwin-detection.patch
new file mode 100644
index 000000000000..27d455aa58b6
--- /dev/null
+++ b/pkgs/development/compilers/gcc/patches/14/libgcc-darwin-detection.patch
@@ -0,0 +1,12 @@
+diff -u a/libgcc/config.host b/libgcc/config.host
+--- a/libgcc/config.host	2023-11-05 11:01:55.778638446 -0500
++++ b/libgcc/config.host	2023-11-05 11:07:29.405103979 -0500
+@@ -227,7 +227,7 @@
+   tmake_file="$tmake_file t-slibgcc-darwin"
+   # newer toolsets produce warnings when building for unsupported versions.
+   case ${host} in
+-    *-*-darwin1[89]* | *-*-darwin2* )
++    *-*-darwin1[89]* | *-*-darwin2* | *-*-darwin)
+       tmake_file="t-darwin-min-8 $tmake_file"
+       ;;
+     *-*-darwin9* | *-*-darwin1[0-7]*)
diff --git a/pkgs/development/compilers/gcc/patches/default.nix b/pkgs/development/compilers/gcc/patches/default.nix
index ab6798af835e..eb38c3a1fe88 100644
--- a/pkgs/development/compilers/gcc/patches/default.nix
+++ b/pkgs/development/compilers/gcc/patches/default.nix
@@ -127,6 +127,9 @@ in
 
 ## Darwin
 
+# Fixes detection of Darwin on x86_64-darwin. Otherwise, GCC uses a deployment target of 10.5, which crashes ld64.
+++ optional (atLeast14 && stdenv.isDarwin && stdenv.isx86_64) ../patches/14/libgcc-darwin-detection.patch
+
 # Fix detection of bootstrap compiler Ada support (cctools as) on Nix Darwin
 ++ optional (atLeast12 && stdenv.isDarwin && langAda) ./ada-cctools-as-detection-configure.patch