Enable #[thread_local] for all windows-msvc targets

Author: ChrisDenton

compiler/rustc_target/src/spec/aarch64_pc_windows_msvc.rs

@@ -3,7 +3,6 @@ use crate::spec::Target;
 pub fn target() -> Target {
     let mut base = super::windows_msvc_base::opts();
     base.max_atomic_width = Some(64);
-    base.has_elf_tls = true;
     base.features = "+neon,+fp-armv8".to_string();
 
     Target {

compiler/rustc_target/src/spec/aarch64_uwp_windows_msvc.rs

@@ -3,7 +3,6 @@ use crate::spec::Target;
 pub fn target() -> Target {
     let mut base = super::windows_uwp_msvc_base::opts();
     base.max_atomic_width = Some(64);
-    base.has_elf_tls = true;
 
     Target {
         llvm_target: "aarch64-pc-windows-msvc".to_string(),

compiler/rustc_target/src/spec/i686_uwp_windows_msvc.rs

@@ -4,7 +4,6 @@ pub fn target() -> Target {
     let mut base = super::windows_uwp_msvc_base::opts();
     base.cpu = "pentium4".to_string();
     base.max_atomic_width = Some(64);
-    base.has_elf_tls = true;
 
     Target {
         llvm_target: "i686-pc-windows-msvc".to_string(),

compiler/rustc_target/src/spec/thumbv7a_uwp_windows_msvc.rs

@@ -9,7 +9,6 @@ pub fn target() -> Target {
         options: TargetOptions {
             features: "+vfp3,+neon".to_string(),
             max_atomic_width: Some(64),
-            has_elf_tls: true,
             // FIXME(jordanrh): use PanicStrategy::Unwind when SEH is
             // implemented for windows/arm in LLVM
             panic_strategy: PanicStrategy::Abort,

compiler/rustc_target/src/spec/windows_msvc_base.rs

@@ -27,6 +27,7 @@ pub fn opts() -> TargetOptions {
         // linking some libraries which require a specific agreement, so it may
         // not ever be possible for us to pass this flag.
         no_default_libraries: false,
+        has_elf_tls: true,
 
         ..base
     }

compiler/rustc_target/src/spec/x86_64_pc_windows_msvc.rs

@@ -4,7 +4,6 @@ pub fn target() -> Target {
     let mut base = super::windows_msvc_base::opts();
     base.cpu = "x86-64".to_string();
     base.max_atomic_width = Some(64);
-    base.has_elf_tls = true;
 
     Target {
         llvm_target: "x86_64-pc-windows-msvc".to_string(),

compiler/rustc_target/src/spec/x86_64_uwp_windows_msvc.rs

@@ -4,7 +4,6 @@ pub fn target() -> Target {
     let mut base = super::windows_uwp_msvc_base::opts();
     base.cpu = "x86-64".to_string();
     base.max_atomic_width = Some(64);
-    base.has_elf_tls = true;
 
     Target {
         llvm_target: "x86_64-pc-windows-msvc".to_string(),