Fix linking for symbols starting with ?

checkraisefold · checkraisefold · commit 2ec1dcebe66c · 2024-12-29T21:41:39.000-08:00
diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
@@ -577,6 +577,7 @@ 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
`@@ -577,6 +577,7 @@ pub(crate) fn linking_symbol_name_for_instance_in_crate<'tcx>(`
`577`	`577`	`}`
`578`	`578`
`579`	`579`	`let prefix = match &target.arch[..] {`
	`580`	`+ "x86" if target.is_like_windows && undecorated.starts_with("?") => return undecorated,`
`580`	`581`	`"x86" => Some('_'),`
`581`	`582`	`"x86_64" => None,`
`582`	`583`	`"arm64ec" => Some('#'),`