Auto merge of #33184 - tamird:misc-cleanup, r=alexcrichton

librustc_back: misc cleanup

r? @alexcrichton

src/librustc_back/target/apple_base.rs

@@ -33,9 +33,8 @@ pub fn opts() -> TargetOptions {
     }).unwrap_or((10, 7));
 
     TargetOptions {
-        // OSX has -dead_strip, which doesn't rely on ffunction_sections
+        // OSX has -dead_strip, which doesn't rely on function_sections
         function_sections: false,
-        linker: "cc".to_string(),
         dynamic_linking: true,
         executables: true,
         is_like_osx: true,

src/librustc_back/target/bitrig_base.rs

@@ -13,7 +13,6 @@ use std::default::Default;
 
 pub fn opts() -> TargetOptions {
     TargetOptions {
-        linker: "cc".to_string(),
         dynamic_linking: true,
         executables: true,
         linker_is_gnu: true,

src/librustc_back/target/dragonfly_base.rs

@@ -13,7 +13,6 @@ use std::default::Default;
 
 pub fn opts() -> TargetOptions {
     TargetOptions {
-        linker: "cc".to_string(),
         dynamic_linking: true,
         executables: true,
         linker_is_gnu: true,

src/librustc_back/target/freebsd_base.rs

@@ -13,7 +13,6 @@ use std::default::Default;
 
 pub fn opts() -> TargetOptions {
     TargetOptions {
-        linker: "cc".to_string(),
         dynamic_linking: true,
         executables: true,
         linker_is_gnu: true,

src/librustc_back/target/netbsd_base.rs

@@ -13,7 +13,6 @@ use std::default::Default;
 
 pub fn opts() -> TargetOptions {
     TargetOptions {
-        linker: "cc".to_string(),
         dynamic_linking: true,
         executables: true,
         linker_is_gnu: true,

src/librustc_back/target/openbsd_base.rs

@@ -13,7 +13,6 @@ use std::default::Default;
 
 pub fn opts() -> TargetOptions {
     TargetOptions {
-        linker: "cc".to_string(),
         dynamic_linking: true,
         executables: true,
         linker_is_gnu: true,

src/librustc_back/target/solaris_base.rs

@@ -13,7 +13,6 @@ use std::default::Default;
 
 pub fn opts() -> TargetOptions {
     TargetOptions {
-        linker: "cc".to_string(),
         dynamic_linking: true,
         executables: true,
         has_rpath: true,

src/rustc/Cargo.lock

@@ -75,6 +75,7 @@ dependencies = [
  "rustc_bitflags 0.0.0",
  "rustc_const_math 0.0.0",
  "rustc_data_structures 0.0.0",
+ "rustc_llvm 0.0.0",
  "serialize 0.0.0",
  "syntax 0.0.0",
 ]