sbcl: 2.5.5 -> 2.5.7 (#436532)

pkgs/development/compilers/sbcl/default.nix

···
     "2.4.10".sha256 = "sha256-zus5a2nSkT7uBIQcKva+ylw0LOFGTD/j5FPy3hDF4vg=";
     # By unofficial and very loose convention we keep the latest version of
     # SBCL, and the previous one in case someone quickly needs to roll back.
-    "2.5.4".sha256 = "sha256-XxS07ZKUKp44dZT6wAC5bbdGfpzlYTBn/8CSPfPsIHI=";
     "2.5.5".sha256 = "sha256-ZQJnCvs2G6m+RKL6/pr5tZ57JK5QmnkaZrVIHylVlQs=";
+    "2.5.7".sha256 = "sha256-xPr+t5VpnVvP+QhQkazHYtz15V+FI1Yl89eu8SyJ0dM=";
   };
   # Collection of pre-built SBCL binaries for platforms that need them for
   # bootstrapping. Ideally these are to be avoided.  If ECL (or any other

pkgs/top-level/all-packages.nix

···
       "3000"
     ];
   };
-  sbcl_2_5_4 = wrapLisp {
-    pkg = callPackage ../development/compilers/sbcl { version = "2.5.4"; };
+  sbcl_2_5_5 = wrapLisp {
+    pkg = callPackage ../development/compilers/sbcl { version = "2.5.5"; };
     faslExt = "fasl";
     flags = [
       "--dynamic-space-size"
       "3000"
     ];
   };
-  sbcl_2_5_5 = wrapLisp {
-    pkg = callPackage ../development/compilers/sbcl { version = "2.5.5"; };
+  sbcl_2_5_7 = wrapLisp {
+    pkg = callPackage ../development/compilers/sbcl { version = "2.5.7"; };
     faslExt = "fasl";
     flags = [
       "--dynamic-space-size"
       "3000"
     ];
   };
-  sbcl = sbcl_2_5_5;
+  sbcl = sbcl_2_5_7;
 
   sbclPackages = recurseIntoAttrs sbcl.pkgs;