diff --git a/pkgs/development/compilers/gcc/all.nix b/pkgs/development/compilers/gcc/all.nix
index 5d5abb82c3ebf..cfbb0ed734d6c 100644
--- a/pkgs/development/compilers/gcc/all.nix
+++ b/pkgs/development/compilers/gcc/all.nix
@@ -8,7 +8,7 @@
 , threadsCross
 , noSysDirs
 , lowPrio
-, wrapCC
+, wrapCCWith
 }@args:
 
 let
@@ -17,22 +17,33 @@ let
     let
       atLeast = lib.versionAtLeast majorMinorVersion;
       attrName = "gcc${lib.replaceStrings ["."] [""] majorMinorVersion}";
-      pkg = lowPrio (wrapCC (callPackage ./default.nix ({
-        inherit noSysDirs;
-        inherit majorMinorVersion;
-        reproducibleBuild = true;
-        profiledCompiler = false;
-        libcCross = if stdenv.targetPlatform != stdenv.buildPlatform then args.libcCross else null;
-        threadsCross = if stdenv.targetPlatform != stdenv.buildPlatform then threadsCross else { };
-        isl = if       stdenv.hostPlatform.isDarwin then null
-              else if    atLeast "9"   then isl_0_20
-              else    /* atLeast "7" */     isl_0_17;
-      } // lib.optionalAttrs (!(atLeast "9")) {
-        # gcc 10 is too strict to cross compile gcc <= 8
-        stdenv = if (stdenv.targetPlatform != stdenv.buildPlatform) && stdenv.cc.isGNU then gcc9Stdenv else stdenv;
-      })));
+      pkg = lowPrio (wrapCCWith {
+        cc = callPackage ./default.nix ({
+          inherit noSysDirs;
+          inherit majorMinorVersion;
+          reproducibleBuild = true;
+          profiledCompiler = false;
+          libcCross = if stdenv.targetPlatform != stdenv.buildPlatform then args.libcCross else null;
+          threadsCross = if stdenv.targetPlatform != stdenv.buildPlatform then threadsCross else { };
+          isl = if       stdenv.hostPlatform.isDarwin then null
+                else if    atLeast "9"   then isl_0_20
+                else    /* atLeast "7" */     isl_0_17;
+        } // lib.optionalAttrs (!(atLeast "9")) {
+          # gcc 10 is too strict to cross compile gcc <= 8
+          stdenv = if (stdenv.targetPlatform != stdenv.buildPlatform) && stdenv.cc.isGNU then gcc9Stdenv else stdenv;
+        });
+        # In preparation for GCC 14 becoming the default,
+        # backport the new default errors to GCC 13.
+        nixSupport.cc-cflags = lib.optionals (atLeast "13") [
+          "-Werror=implicit-int"
+          "-Werror=implicit-function-declaration"
+          "-Werror=declaration-missing-parameter-type"
+          "-Werror=return-mismatch"
+          "-Werror=int-conversion"
+          "-Werror=incompatible-pointer-types"
+        ];
+      });
     in
       lib.nameValuePair attrName pkg;
 in
 lib.listToAttrs (map gccForMajorMinorVersion versions.allMajorVersions)
-