rustc_metadata: Rename `item_children(_untracked)` to `module_children(_untracked)`

[rust.git] / src / bootstrap / builder.rs

diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
index 917abde9de1ce34eb81a2783e23d0f475142b341..6ccf8b1d5221cd6880daddbd724232fe08f35b0c 100644 (file)
--- a/src/bootstrap/builder.rs
+++ b/src/bootstrap/builder.rs
@@ -988,10 +988,20 @@ pub fn cargo(
             }
         };
 
-        if use_new_symbol_mangling {
-            rustflags.arg("-Zsymbol-mangling-version=v0");
+        // cfg(bootstrap) -- drop the compiler.stage == 0 branch.
+        if compiler.stage == 0 {
+            if use_new_symbol_mangling {
+                rustflags.arg("-Zsymbol-mangling-version=v0");
+            } else {
+                rustflags.arg("-Zsymbol-mangling-version=legacy");
+            }
         } else {
-            rustflags.arg("-Zsymbol-mangling-version=legacy");
+            if use_new_symbol_mangling {
+                rustflags.arg("-Csymbol-mangling-version=v0");
+            } else {
+                rustflags.arg("-Csymbol-mangling-version=legacy");
+                rustflags.arg("-Zunstable-options");
+            }
         }
 
         // FIXME: It might be better to use the same value for both `RUSTFLAGS` and `RUSTDOCFLAGS`,