Fix linking for symbols starting with ?

checkraisefold · checkraisefold · commit 5298f62e8f56 · 2024-09-24T19:29:43.000-07:00
diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
@@ -572,6 +572,7 @@ pub(crate) fn linking_symbol_name_for_instance_in_crate<'tcx>(
     }
 
     let prefix = match &target.arch[..] {
+        "x86" if target.is_like_windows && undecorated.starts_with("?") => return undecorated,
         "x86" => Some('_'),
         "x86_64" => None,
         "arm64ec" => Some('#'),

Original file line number	Diff line number	Diff line change
`@@ -572,6 +572,7 @@ pub(crate) fn linking_symbol_name_for_instance_in_crate<'tcx>(`
`572`	`572`	`}`
`573`	`573`
`574`	`574`	`let prefix = match &target.arch[..] {`
	`575`	`+ "x86" if target.is_like_windows && undecorated.starts_with("?") => return undecorated,`
`575`	`576`	`"x86" => Some('_'),`
`576`	`577`	`"x86_64" => None,`
`577`	`578`	`"arm64ec" => Some('#'),`