Use u{1} instead of 01

src/librustc_target/spec/aarch64_unknown_linux_gnu.rs

@@ -17,7 +17,7 @@ pub fn target() -> TargetResult {
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions {
             abi_blacklist: super::arm_base::abi_blacklist(),
-            target_mcount: "\01_mcount".to_string(),
+            target_mcount: "\u{1}_mcount".to_string(),
             .. base
         },
     })

src/librustc_target/spec/aarch64_unknown_linux_musl.rs

@@ -17,7 +17,7 @@ pub fn target() -> TargetResult {
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions {
             abi_blacklist: super::arm_base::abi_blacklist(),
-            target_mcount: "\01_mcount".to_string(),
+            target_mcount: "\u{1}_mcount".to_string(),
             .. base
         },
     })

src/librustc_target/spec/arm_unknown_linux_gnueabi.rs

@@ -18,7 +18,7 @@ pub fn target() -> TargetResult {
         options: TargetOptions {
             features: "+strict-align,+v6".to_string(),
             abi_blacklist: super::arm_base::abi_blacklist(),
-            target_mcount: "\01__gnu_mcount_nc".to_string(),
+            target_mcount: "\u{1}__gnu_mcount_nc".to_string(),
             .. base
         },
     })

src/librustc_target/spec/arm_unknown_linux_gnueabihf.rs

@@ -18,7 +18,7 @@ pub fn target() -> TargetResult {
         options: TargetOptions {
             features: "+strict-align,+v6,+vfp2".to_string(),
             abi_blacklist: super::arm_base::abi_blacklist(),
-            target_mcount: "\01__gnu_mcount_nc".to_string(),
+            target_mcount: "\u{1}__gnu_mcount_nc".to_string(),
             .. base
         }
     })

src/librustc_target/spec/arm_unknown_linux_musleabi.rs

@@ -23,7 +23,7 @@ pub fn target() -> TargetResult {
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions {
             abi_blacklist: super::arm_base::abi_blacklist(),
-            target_mcount: "\01mcount".to_string(),
+            target_mcount: "\u{1}mcount".to_string(),
             .. base
         },
     })

src/librustc_target/spec/arm_unknown_linux_musleabihf.rs

@@ -23,7 +23,7 @@ pub fn target() -> TargetResult {
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions {
             abi_blacklist: super::arm_base::abi_blacklist(),
-            target_mcount: "\01mcount".to_string(),
+            target_mcount: "\u{1}mcount".to_string(),
             .. base
         },
     })

src/librustc_target/spec/armv4t_unknown_linux_gnueabi.rs

@@ -19,7 +19,7 @@ pub fn target() -> TargetResult {
             // Atomic operations provided by compiler-builtins
             max_atomic_width: Some(32),
             abi_blacklist: super::arm_base::abi_blacklist(),
-            target_mcount: "\01__gnu_mcount_nc".to_string(),
+            target_mcount: "\u{1}__gnu_mcount_nc".to_string(),
             .. base
         }
     })

src/librustc_target/spec/armv5te_unknown_linux_gnueabi.rs

@@ -19,7 +19,7 @@ pub fn target() -> TargetResult {
             // Atomic operations provided by compiler-builtins
             max_atomic_width: Some(32),
             abi_blacklist: super::arm_base::abi_blacklist(),
-            target_mcount: "\01__gnu_mcount_nc".to_string(),
+            target_mcount: "\u{1}__gnu_mcount_nc".to_string(),
             .. base
         }
     })

src/librustc_target/spec/armv5te_unknown_linux_musleabi.rs

@@ -22,7 +22,7 @@ pub fn target() -> TargetResult {
             // Atomic operations provided by compiler-builtins
             max_atomic_width: Some(32),
             abi_blacklist: super::arm_base::abi_blacklist(),
-            target_mcount: "\01mcount".to_string(),
+            target_mcount: "\u{1}mcount".to_string(),
             .. base
         }
     })

src/librustc_target/spec/armv6_unknown_freebsd.rs

@@ -18,7 +18,7 @@ pub fn target() -> TargetResult {
             features: "+v6,+vfp2".to_string(),
             max_atomic_width: Some(64),
             abi_blacklist: super::arm_base::abi_blacklist(),
-            target_mcount: "\01__gnu_mcount_nc".to_string(),
+            target_mcount: "\u{1}__gnu_mcount_nc".to_string(),
             .. base
         }
     })

src/librustc_target/spec/armv7_unknown_cloudabi_eabihf.rs

@@ -20,7 +20,7 @@ pub fn target() -> TargetResult {
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions {
-            target_mcount: "\01mcount".to_string(),
+            target_mcount: "\u{1}mcount".to_string(),
             .. base
         },
     })

src/librustc_target/spec/armv7_unknown_freebsd.rs

@@ -18,7 +18,7 @@ pub fn target() -> TargetResult {
             features: "+v7,+vfp3,+d16,+thumb2,-neon".to_string(),
             max_atomic_width: Some(64),
             abi_blacklist: super::arm_base::abi_blacklist(),
-            target_mcount: "\01__gnu_mcount_nc".to_string(),
+            target_mcount: "\u{1}__gnu_mcount_nc".to_string(),
             .. base
         }
     })

src/librustc_target/spec/armv7_unknown_linux_gnueabihf.rs

@@ -23,7 +23,7 @@ pub fn target() -> TargetResult {
             cpu: "generic".to_string(),
             max_atomic_width: Some(64),
             abi_blacklist: super::arm_base::abi_blacklist(),
-            target_mcount: "\01__gnu_mcount_nc".to_string(),
+            target_mcount: "\u{1}__gnu_mcount_nc".to_string(),
             .. base
         }
     })

src/librustc_target/spec/armv7_unknown_linux_musleabihf.rs

@@ -26,7 +26,7 @@ pub fn target() -> TargetResult {
             cpu: "generic".to_string(),
             max_atomic_width: Some(64),
             abi_blacklist: super::arm_base::abi_blacklist(),
-            target_mcount: "\01mcount".to_string(),
+            target_mcount: "\u{1}mcount".to_string(),
             .. base
         }
     })

src/librustc_target/spec/i686_apple_darwin.rs

@@ -20,7 +20,7 @@ pub fn target() -> TargetResult {
         target_vendor: "apple".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions {
-            target_mcount: "\01mcount".to_string(),
+            target_mcount: "\u{1}mcount".to_string(),
             .. base
         },
     })

src/librustc_target/spec/x86_64_apple_darwin.rs

@@ -20,7 +20,7 @@ pub fn target() -> TargetResult {
         target_vendor: "apple".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions {
-            target_mcount: "\01mcount".to_string(),
+            target_mcount: "\u{1}mcount".to_string(),
             .. base
         },
     })