Use pentium4 for base CPU on i686-pc-windows-msvc

This is in line with other targets.

Closes #27646

diff --git a/src/librustc_back/target/i686_pc_windows_msvc.rs b/src/librustc_back/target/i686_pc_windows_msvc.rs
index f2ae799bd2438185bcae77d0f17f785c003dae3a..d8c1c79b47fcd9ce727ac1b4be3aed94101631e2 100644 (file)
--- a/src/librustc_back/target/i686_pc_windows_msvc.rs
+++ b/src/librustc_back/target/i686_pc_windows_msvc.rs
@@ -12,7 +12,7 @@
 
 pub fn target() -> Target {
     let mut base = super::windows_msvc_base::opts();
-    base.cpu = "i686".to_string();
+    base.cpu = "pentium4".to_string();
 
     Target {
         llvm_target: "i686-pc-windows-msvc".to_string(),