Rename UnstableOptions::diagnostic_handler_flags as UnstableOptions::dcx_flags.

Author: nnethercote

compiler/rustc_session/src/config.rs

@@ -1155,7 +1155,7 @@ impl Options {
 }
 
 impl UnstableOptions {
-    pub fn diagnostic_handler_flags(&self, can_emit_warnings: bool) -> DiagCtxtFlags {
+    pub fn dcx_flags(&self, can_emit_warnings: bool) -> DiagCtxtFlags {
         DiagCtxtFlags {
             can_emit_warnings,
             treat_err_as_bug: self.treat_err_as_bug,

compiler/rustc_session/src/session.rs

@@ -1417,7 +1417,7 @@ pub fn build_session(
     let emitter = default_emitter(&sopts, registry, source_map.clone(), bundle, fallback_bundle);
 
     let mut span_diagnostic = DiagCtxt::with_emitter(emitter)
-        .with_flags(sopts.unstable_opts.diagnostic_handler_flags(can_emit_warnings));
+        .with_flags(sopts.unstable_opts.dcx_flags(can_emit_warnings));
     if let Some(ice_file) = ice_file {
         span_diagnostic = span_diagnostic.with_ice_file(ice_file);
     }

src/librustdoc/core.rs

@@ -169,8 +169,7 @@ pub(crate) fn new_handler(
         }
     };
 
-    rustc_errors::DiagCtxt::with_emitter(emitter)
-        .with_flags(unstable_opts.diagnostic_handler_flags(true))
+    rustc_errors::DiagCtxt::with_emitter(emitter).with_flags(unstable_opts.dcx_flags(true))
 }
 
 /// Parse, resolve, and typecheck the given crate.