[libc++] Extract ccache stats after the bootstrapping build

diff --git a/libcxx/utils/ci/run-buildbot b/libcxx/utils/ci/run-buildbot
index 6502012..fc3d432 100755 (executable)
--- a/libcxx/utils/ci/run-buildbot
+++ b/libcxx/utils/ci/run-buildbot
@@ -355,6 +355,8 @@ bootstrapping-build)
 
     echo "--- Installing libc++ and libc++abi to a fake location"
     ${NINJA} -C "${BUILD_DIR}" install-runtimes
+
+    ccache -s
 ;;
 generic-static)
     clean