static TLS works for the main exe!!

test/example_exe_tls_crt.rs

@@ -0,0 +1,26 @@
+#![feature(thread_local)]
+#![no_std]
+#![no_main]
+
+#[panic_handler]
+fn handle_panic(_: &core::panic::PanicInfo<'_>) -> ! {
+    loop {}
+}
+
+#[thread_local]
+static mut A_THREAD_LOCAL: u32 = 50;
+#[thread_local]
+static mut ANOTHER_THREAD_LOCAL: u32 = 55;
+
+#[inline(never)]
+fn set_tls(value: u32) {
+    unsafe { A_THREAD_LOCAL = value; }
+    unsafe { ANOTHER_THREAD_LOCAL = value; }
+}
+
+#[no_mangle]
+pub extern "stdcall" fn main() -> u32 {
+    // Use some indirection to actually force TLS to happen
+    set_tls(14);
+    unsafe { A_THREAD_LOCAL + ANOTHER_THREAD_LOCAL }
+}