diff options
| -rw-r--r-- | src/bootstrap/doc.rs | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/bootstrap/doc.rs b/src/bootstrap/doc.rs index 36fdd4abf4f..be43affa404 100644 --- a/src/bootstrap/doc.rs +++ b/src/bootstrap/doc.rs @@ -1027,10 +1027,11 @@ impl Step for RustcBook { if self.validate { cmd.arg("--validate"); } - if !builder.unstable_features() { - // We need to validate nightly features, even on the stable channel. - cmd.env("RUSTC_BOOTSTRAP", "1"); - } + // We need to validate nightly features, even on the stable channel. + // Set this unconditionally as the stage0 compiler may be being used to + // document. + cmd.env("RUSTC_BOOTSTRAP", "1"); + // If the lib directories are in an unusual location (changed in // config.toml), then this needs to explicitly update the dylib search // path. |