From 4fff14d3d8fa0f75e745e3d6b68967b1caa3aa97 Mon Sep 17 00:00:00 2001
From: Vadim Petrochenkov <vadim.petrochenkov@gmail.com>
Date: Sat, 5 Sep 2020 20:33:00 +0300
Subject: [PATCH] rustbuild: Remove `Mode::Codegen`

---
 src/bootstrap/builder.rs | 10 +++++-----
 src/bootstrap/lib.rs     |  4 ----
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
index 4708b207156..91b28b3bac4 100644
--- a/src/bootstrap/builder.rs
+++ b/src/bootstrap/builder.rs
@@ -796,7 +796,7 @@ pub fn cargo(
         if cmd == "doc" || cmd == "rustdoc" {
             let my_out = match mode {
                 // This is the intended out directory for compiler documentation.
-                Mode::Rustc | Mode::ToolRustc | Mode::Codegen => self.compiler_doc_out(target),
+                Mode::Rustc | Mode::ToolRustc => self.compiler_doc_out(target),
                 Mode::Std => out_dir.join(target.triple).join("doc"),
                 _ => panic!("doc mode {:?} not expected", mode),
             };
@@ -874,7 +874,7 @@ pub fn cargo(
 
         match mode {
             Mode::Std | Mode::ToolBootstrap | Mode::ToolStd => {}
-            Mode::Rustc | Mode::Codegen | Mode::ToolRustc => {
+            Mode::Rustc | Mode::ToolRustc => {
                 // Build proc macros both for the host and the target
                 if target != compiler.host && cmd != "check" {
                     cargo.arg("-Zdual-proc-macros");
@@ -1059,7 +1059,7 @@ pub fn cargo(
         }
 
         let debuginfo_level = match mode {
-            Mode::Rustc | Mode::Codegen => self.config.rust_debuginfo_level_rustc,
+            Mode::Rustc => self.config.rust_debuginfo_level_rustc,
             Mode::Std => self.config.rust_debuginfo_level_std,
             Mode::ToolBootstrap | Mode::ToolStd | Mode::ToolRustc => {
                 self.config.rust_debuginfo_level_tools
@@ -1196,7 +1196,7 @@ pub fn cargo(
             rustdocflags.arg("-Winvalid_codeblock_attributes");
         }
 
-        if let Mode::Rustc | Mode::Codegen = mode {
+        if mode == Mode::Rustc {
             rustflags.arg("-Zunstable-options");
             rustflags.arg("-Wrustc::internal");
         }
@@ -1359,7 +1359,7 @@ pub fn cargo(
         // When we build Rust dylibs they're all intended for intermediate
         // usage, so make sure we pass the -Cprefer-dynamic flag instead of
         // linking all deps statically into the dylib.
-        if let Mode::Std | Mode::Rustc | Mode::Codegen = mode {
+        if matches!(mode, Mode::Std | Mode::Rustc) {
             rustflags.arg("-Cprefer-dynamic");
         }
 
diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs
index 54651214363..f7e456d2c44 100644
--- a/src/bootstrap/lib.rs
+++ b/src/bootstrap/lib.rs
@@ -300,9 +300,6 @@ pub enum Mode {
     /// Build librustc, and compiler libraries, placing output in the "stageN-rustc" directory.
     Rustc,
 
-    /// Build codegen libraries, placing output in the "stageN-codegen" directory
-    Codegen,
-
     /// Build a tool, placing output in the "stage0-bootstrap-tools"
     /// directory. This is for miscellaneous sets of tools that are built
     /// using the bootstrap stage0 compiler in its entirety (target libraries
@@ -572,7 +569,6 @@ fn stage_out(&self, compiler: Compiler, mode: Mode) -> PathBuf {
         let suffix = match mode {
             Mode::Std => "-std",
             Mode::Rustc => "-rustc",
-            Mode::Codegen => "-codegen",
             Mode::ToolBootstrap => "-bootstrap-tools",
             Mode::ToolStd | Mode::ToolRustc => "-tools",
         };