sanitizers: Stabilize core sanitizers

Stabilize AddressSanitizer, LeakSanitizer, MemorySanitizer,
ThreadSanitizer for the Tier 1 targets that support them.

Author: rcvalle

compiler/rustc_target/src/spec/targets/aarch64_unknown_linux_gnu.rs

@@ -18,15 +18,14 @@ pub fn target() -> Target {
             max_atomic_width: Some(128),
             stack_probes: StackProbeType::Inline,
             supported_sanitizers: SanitizerSupport {
-                stable: SanitizerSet::empty(),
-                unstable: SanitizerSet::ADDRESS
-                    | SanitizerSet::CFI
-                    | SanitizerSet::HWADDRESS
-                    | SanitizerSet::KCFI
+                stable: SanitizerSet::ADDRESS
                     | SanitizerSet::LEAK
                     | SanitizerSet::MEMORY
-                    | SanitizerSet::MEMTAG
                     | SanitizerSet::THREAD,
+                unstable: SanitizerSet::CFI
+                    | SanitizerSet::KCFI
+                    | SanitizerSet::MEMTAG
+                    | SanitizerSet::HWADDRESS,
             },
             supports_xray: true,
             ..base::linux_gnu::opts()

compiler/rustc_target/src/spec/targets/i686_pc_windows_msvc.rs

@@ -5,7 +5,7 @@ pub fn target() -> Target {
     base.cpu = "pentium4".into();
     base.max_atomic_width = Some(64);
     base.supported_sanitizers =
-        SanitizerSupport { stable: SanitizerSet::empty(), unstable: SanitizerSet::ADDRESS };
+        SanitizerSupport { stable: SanitizerSet::ADDRESS, unstable: SanitizerSet::empty() };
 
     base.add_pre_link_args(
         LinkerFlavor::Msvc(Lld::No),

compiler/rustc_target/src/spec/targets/i686_unknown_linux_gnu.rs

@@ -7,7 +7,7 @@ pub fn target() -> Target {
     base.cpu = "pentium4".into();
     base.max_atomic_width = Some(64);
     base.supported_sanitizers =
-        SanitizerSupport { stable: SanitizerSet::empty(), unstable: SanitizerSet::ADDRESS };
+        SanitizerSupport { stable: SanitizerSet::ADDRESS, unstable: SanitizerSet::empty() };
     base.add_pre_link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-m32"]);
     base.stack_probes = StackProbeType::Inline;
 

compiler/rustc_target/src/spec/targets/x86_64_apple_darwin.rs

@@ -10,11 +10,8 @@ pub fn target() -> Target {
     base.frame_pointer = FramePointer::Always;
     base.add_pre_link_args(LinkerFlavor::Darwin(Cc::Yes, Lld::No), &["-m64"]);
     base.supported_sanitizers = SanitizerSupport {
-        stable: SanitizerSet::empty(),
-        unstable: SanitizerSet::ADDRESS
-            | SanitizerSet::CFI
-            | SanitizerSet::LEAK
-            | SanitizerSet::THREAD,
+        stable: SanitizerSet::ADDRESS | SanitizerSet::LEAK | SanitizerSet::THREAD,
+        unstable: SanitizerSet::CFI,
     };
 
     Target {

compiler/rustc_target/src/spec/targets/x86_64_pc_windows_msvc.rs

@@ -7,7 +7,7 @@ pub fn target() -> Target {
     base.plt_by_default = false;
     base.max_atomic_width = Some(128);
     base.supported_sanitizers =
-        SanitizerSupport { stable: SanitizerSet::empty(), unstable: SanitizerSet::ADDRESS };
+        SanitizerSupport { stable: SanitizerSet::ADDRESS, unstable: SanitizerSet::empty() };
 
     Target {
         llvm_target: "x86_64-pc-windows-msvc".into(),

compiler/rustc_target/src/spec/targets/x86_64_unknown_linux_gnu.rs

@@ -11,15 +11,14 @@ pub fn target() -> Target {
     base.stack_probes = StackProbeType::Inline;
     base.static_position_independent_executables = true;
     base.supported_sanitizers = SanitizerSupport {
-        stable: SanitizerSet::empty(),
-        unstable: SanitizerSet::ADDRESS
-            | SanitizerSet::CFI
-            | SanitizerSet::DATAFLOW
-            | SanitizerSet::KCFI
+        stable: SanitizerSet::ADDRESS
             | SanitizerSet::LEAK
             | SanitizerSet::MEMORY
-            | SanitizerSet::SAFESTACK
             | SanitizerSet::THREAD,
+        unstable: SanitizerSet::CFI
+            | SanitizerSet::KCFI
+            | SanitizerSet::DATAFLOW
+            | SanitizerSet::SAFESTACK,
     };
     base.supports_xray = true;