Don't include /no-such-path in buildInputs

pkgs/stdenv/darwin/default.nix

@@ -31,7 +31,7 @@ rec {
       shell        = "/bin/bash";
       initialPath  = [ bootstrapTools ];
       fetchurlBoot = fetchurl;
-      cc           = "/no-such-path";
+      cc           = null;
     };
   };
 

pkgs/stdenv/linux/default.nix

@@ -86,7 +86,7 @@ rec {
         };
 
         cc = if isNull gccPlain
-             then "/no-such-path"
+             then null
              else lib.makeOverridable (import ../../build-support/cc-wrapper) {
           nativeTools = false;
           nativeLibc = false;

pkgs/stdenv/native/default.nix

@@ -98,7 +98,7 @@ rec {
 
 
   stdenvBoot0 = makeStdenv {
-    cc = "/no-such-path";
+    cc = null;
     fetchurl = null;
   };