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-rw-r--r--compiler/rustc_session/src/config.rs4
-rw-r--r--compiler/rustc_session/src/options.rs10
-rw-r--r--compiler/rustc_trait_selection/src/traits/engine.rs4
-rw-r--r--src/test/rustdoc-ui/z-help.stdout2
4 files changed, 11 insertions, 9 deletions
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs
index 4f1175856dc..a87e820386e 100644
--- a/compiler/rustc_session/src/config.rs
+++ b/compiler/rustc_session/src/config.rs
@@ -556,8 +556,8 @@ pub enum PrintRequest {
 
 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub enum TraitSolver {
-    /// Stock trait solver in `rustc_trait_selection::traits::select`
-    Stock,
+    /// Classic trait solver in `rustc_trait_selection::traits::select`
+    Classic,
     /// Chalk trait solver
     Chalk,
     /// Experimental trait solver in `rustc_trait_selection::solve`
diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs
index 9ce50246b08..043a60a1c53 100644
--- a/compiler/rustc_session/src/options.rs
+++ b/compiler/rustc_session/src/options.rs
@@ -383,7 +383,7 @@ mod desc {
     pub const parse_unpretty: &str = "`string` or `string=string`";
     pub const parse_treat_err_as_bug: &str = "either no value or a number bigger than 0";
     pub const parse_trait_solver: &str =
-        "one of the supported solver modes (`stock`, `chalk`, or `next`)";
+        "one of the supported solver modes (`classic`, `chalk`, or `next`)";
     pub const parse_lto: &str =
         "either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, `fat`, or omitted";
     pub const parse_linker_plugin_lto: &str =
@@ -884,9 +884,11 @@ mod parse {
 
     pub(crate) fn parse_trait_solver(slot: &mut TraitSolver, v: Option<&str>) -> bool {
         match v {
-            Some("stock") => *slot = TraitSolver::Stock,
+            Some("classic") => *slot = TraitSolver::Classic,
             Some("chalk") => *slot = TraitSolver::Chalk,
             Some("next") => *slot = TraitSolver::Next,
+            // default trait solver is subject to change..
+            Some("default") => *slot = TraitSolver::Classic,
             _ => return false,
         }
         true
@@ -1619,8 +1621,8 @@ options! {
         "for every macro invocation, print its name and arguments (default: no)"),
     track_diagnostics: bool = (false, parse_bool, [UNTRACKED],
         "tracks where in rustc a diagnostic was emitted"),
-    trait_solver: TraitSolver = (TraitSolver::Stock, parse_trait_solver, [TRACKED],
-        "specify the trait solver mode used by rustc (default: stock)"),
+    trait_solver: TraitSolver = (TraitSolver::Classic, parse_trait_solver, [TRACKED],
+        "specify the trait solver mode used by rustc (default: classic)"),
     // Diagnostics are considered side-effects of a query (see `QuerySideEffects`) and are saved
     // alongside query results and changes to translation options can affect diagnostics - so
     // translation options should be tracked.
diff --git a/compiler/rustc_trait_selection/src/traits/engine.rs b/compiler/rustc_trait_selection/src/traits/engine.rs
index bd56d058a49..bc6d9d4b922 100644
--- a/compiler/rustc_trait_selection/src/traits/engine.rs
+++ b/compiler/rustc_trait_selection/src/traits/engine.rs
@@ -32,7 +32,7 @@ pub trait TraitEngineExt<'tcx> {
 impl<'tcx> TraitEngineExt<'tcx> for dyn TraitEngine<'tcx> {
     fn new(tcx: TyCtxt<'tcx>) -> Box<Self> {
         match tcx.sess.opts.unstable_opts.trait_solver {
-            TraitSolver::Stock => Box::new(FulfillmentContext::new()),
+            TraitSolver::Classic => Box::new(FulfillmentContext::new()),
             TraitSolver::Chalk => Box::new(ChalkFulfillmentContext::new()),
             TraitSolver::Next => Box::new(NextFulfillmentCtxt::new()),
         }
@@ -40,7 +40,7 @@ impl<'tcx> TraitEngineExt<'tcx> for dyn TraitEngine<'tcx> {
 
     fn new_in_snapshot(tcx: TyCtxt<'tcx>) -> Box<Self> {
         match tcx.sess.opts.unstable_opts.trait_solver {
-            TraitSolver::Stock => Box::new(FulfillmentContext::new_in_snapshot()),
+            TraitSolver::Classic => Box::new(FulfillmentContext::new_in_snapshot()),
             TraitSolver::Chalk => Box::new(ChalkFulfillmentContext::new_in_snapshot()),
             TraitSolver::Next => Box::new(NextFulfillmentCtxt::new()),
         }
diff --git a/src/test/rustdoc-ui/z-help.stdout b/src/test/rustdoc-ui/z-help.stdout
index 0464613dc6e..537dc92be19 100644
--- a/src/test/rustdoc-ui/z-help.stdout
+++ b/src/test/rustdoc-ui/z-help.stdout
@@ -174,7 +174,7 @@
     -Z                               tls-model=val -- choose the TLS model to use (`rustc --print tls-models` for details)
     -Z                            trace-macros=val -- for every macro invocation, print its name and arguments (default: no)
     -Z                       track-diagnostics=val -- tracks where in rustc a diagnostic was emitted
-    -Z                            trait-solver=val -- specify the trait solver mode used by rustc (default: stock)
+    -Z                            trait-solver=val -- specify the trait solver mode used by rustc (default: classic)
     -Z                translate-additional-ftl=val -- additional fluent translation to preferentially use (for testing translation)
     -Z        translate-directionality-markers=val -- emit directionality isolation markers in translated diagnostics
     -Z                          translate-lang=val -- language identifier for diagnostic output