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authorJoshua Nelson <jyn514@gmail.com>2020-11-28 19:19:41 -0500
committerJoshua Nelson <jyn514@gmail.com>2020-11-29 17:21:24 -0500
commit95a6427d2c4d4ad53931d1f7e8932a61ba0e9601 (patch)
tree709a21e3109e427eb3430aef199e24aa31a31a8c /src
parente37f25aa3f356546ab851e394d5598fc575eabda (diff)
downloadrust-95a6427d2c4d4ad53931d1f7e8932a61ba0e9601.tar.gz
rust-95a6427d2c4d4ad53931d1f7e8932a61ba0e9601.zip
Add -Z normalize-docs and enable it for compiler docs
Diffstat (limited to 'src')
-rw-r--r--src/bootstrap/builder.rs1
-rw-r--r--src/bootstrap/doc.rs1
-rw-r--r--src/librustdoc/clean/mod.rs7
-rw-r--r--src/test/rustdoc/normalize-assoc-item.rs2
4 files changed, 8 insertions, 3 deletions
diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
index 508d785834f..4e84e3ea59b 100644
--- a/src/bootstrap/builder.rs
+++ b/src/bootstrap/builder.rs
@@ -730,6 +730,7 @@ impl<'a> Builder<'a> {
             .env("CFG_RELEASE_CHANNEL", &self.config.channel)
             .env("RUSTDOC_REAL", self.rustdoc(compiler))
             .env("RUSTC_BOOTSTRAP", "1")
+            .arg("-Znormalize_docs")
             .arg("-Winvalid_codeblock_attributes");
         if self.config.deny_warnings {
             cmd.arg("-Dwarnings");
diff --git a/src/bootstrap/doc.rs b/src/bootstrap/doc.rs
index af7f7eff894..919c3a8b574 100644
--- a/src/bootstrap/doc.rs
+++ b/src/bootstrap/doc.rs
@@ -527,6 +527,7 @@ impl Step for Rustc {
         cargo.rustdocflag("--document-private-items");
         cargo.rustdocflag("--enable-index-page");
         cargo.rustdocflag("-Zunstable-options");
+        cargo.rustdocflag("-Znormalize-docs");
         compile::rustc_cargo(builder, &mut cargo, target);
 
         // Only include compiler crates, no dependencies of those, such as `libc`.
diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs
index 13643fbf3d3..a136e69f9a6 100644
--- a/src/librustdoc/clean/mod.rs
+++ b/src/librustdoc/clean/mod.rs
@@ -1503,9 +1503,12 @@ impl Clean<Type> for hir::Ty<'_> {
 }
 
 /// Returns `None` if the type could not be normalized
-#[allow(unreachable_code, unused_variables)]
 fn normalize(cx: &DocContext<'tcx>, ty: Ty<'_>) -> Option<Ty<'tcx>> {
-    return None; // HACK: low-churn fix for #79459 while we wait for a trait normalization fix
+    // HACK: low-churn fix for #79459 while we wait for a trait normalization fix
+    if !cx.tcx.sess.opts.debugging_opts.normalize_docs {
+        return None;
+    }
+
     use crate::rustc_trait_selection::infer::TyCtxtInferExt;
     use crate::rustc_trait_selection::traits::query::normalize::AtExt;
     use rustc_middle::traits::ObligationCause;
diff --git a/src/test/rustdoc/normalize-assoc-item.rs b/src/test/rustdoc/normalize-assoc-item.rs
index 70b3c66fd2b..ad1a868ee32 100644
--- a/src/test/rustdoc/normalize-assoc-item.rs
+++ b/src/test/rustdoc/normalize-assoc-item.rs
@@ -1,7 +1,7 @@
 // ignore-tidy-linelength
 // aux-build:normalize-assoc-item.rs
 // build-aux-docs
-// ignore-test
+// compile-flags:-Znormalize-docs
 
 pub trait Trait {
     type X;