Set has_thread_local=true for android

Author: quininer

compiler/rustc_target/src/spec/base/android.rs

@@ -5,7 +5,7 @@ pub fn opts() -> TargetOptions {
     base.os = "android".into();
     base.is_like_android = true;
     base.default_dwarf_version = 2;
-    base.has_thread_local = false;
+    base.has_thread_local = true;
     base.supported_sanitizers = SanitizerSet::ADDRESS;
     // This is for backward compatibility, see https://github.com/rust-lang/rust/issues/49867
     // for context. (At that time, there was no `-C force-unwind-tables`, so the only solution

library/std/src/sys/unix/thread_local_dtor.rs

@@ -12,7 +12,13 @@
 // compiling from a newer linux to an older linux, so we also have a
 // fallback implementation to use as well.
 #[allow(unexpected_cfgs)]
-#[cfg(any(target_os = "linux", target_os = "fuchsia", target_os = "redox", target_os = "hurd"))]
+#[cfg(any(
+    target_os = "linux",
+    target_os = "android",
+    target_os = "fuchsia",
+    target_os = "redox",
+    target_os = "hurd"
+))]
 // FIXME: The Rust compiler currently omits weakly function definitions (i.e.,
 // __cxa_thread_atexit_impl) and its metadata from LLVM IR.
 #[no_sanitize(cfi, kcfi)]