Rollup merge of #89072 - bjorn3:less_symbol_as_str, r=michaelwoerister

Avoid a couple of Symbol::as_str calls in cg_llvm

This should improve performance a tiny bit. Also remove `Symbol::len` and make `SymbolIndex` private.

1 files changed, 1 insertions, 5 deletions

diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs
index 44137290d78..7cb4e18398c 100644
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@@ -1618,7 +1618,7 @@ impl fmt::Display for MacroRulesNormalizedIdent {
 pub struct Symbol(SymbolIndex);
 
 rustc_index::newtype_index! {
-    pub struct SymbolIndex { .. }
+    struct SymbolIndex { .. }
 }
 
 impl Symbol {
@@ -1644,10 +1644,6 @@ impl Symbol {
         self.0.as_u32()
     }
 
-    pub fn len(self) -> usize {
-        with_session_globals(|session_globals| session_globals.symbol_interner.get(self).len())
-    }
-
     pub fn is_empty(self) -> bool {
         self == kw::Empty
     }