We can do the formatting check earlier.

Author: vext01

.buildbot.sh

@@ -19,18 +19,20 @@ cmake -DCMAKE_INSTALL_PREFIX=${INST_DIR} \
     ../llvm
 make -j `nproc` install
 
+# clang-format any new files that we've introduced ourselves.
+cd ..
+PATH=${INST_DIR}/bin:${PATH}
+sh yk_format_new_files.sh
+git diff --exit-code
+
 # There are many test suites for LLVM:
 # https://llvm.org/docs/TestingGuide.html
 #
 # This runs unit and integration tests.
+cd build
 make -j `nproc` check-all
 cd ..
 
-# clang-format any new files that we've introduced ourselves.
-PATH=${INST_DIR}/bin:${PATH}
-sh yk_format_new_files.sh
-git diff --exit-code
-
 # FIXME The commented code below should run the `test-suite` tests, as
 # described at https://llvm.org/docs/TestSuiteGuide.html.
 #