[plt-dev] Error compiling xform support

During a fresh build of c7e723eef7d26e767dfee32496211e3ea5b8470e, I
get the following error:

Compiling xform support...
standard-module-name-resolver: collection not found:
#<path:scheme/private/lang> in any of:
(#<path:/Users/clklein/git/plt/src/build/racket/gc2/xform-collects>)

 === context ===
standard-module-name-resolver
/Users/clklein/git/plt/collects/compiler/cm.ss:236:23
/Users/clklein/git/plt/collects/syntax/modcode.ss:42:8
/Users/clklein/git/plt/collects/compiler/cm.ss:340:2: do-check
/Users/clklein/git/plt/collects/compiler/cm.ss:415:4:
compilation-manager-load-handler
standard-module-name-resolver
/Users/clklein/git/plt/src/racket/gc2/xform.ss:94:24
/Users/clklein/git/plt/src/racket/gc2/xform.ss: [running body]

make[4]: *** [xsrc/precomp.h] Error 1
make[3]: *** [all] Error 2
make[2]: *** [3m] Error 2
make[1]: *** [3m] Error 2
make: *** [all] Error 2

Sam gets the same error.