Merge #723

723: Update list of targets that do not support Atomic*64 r=taiki-e a=taiki-e



Co-authored-by: Taiki Endo <te316e89@gmail.com>

Author: bors[bot]

no_atomic.rs

@@ -32,6 +32,7 @@ const NO_ATOMIC_64: &[&str] = &[
     "mipsel-unknown-none",
     "mipsisa32r6-unknown-linux-gnu",
     "mipsisa32r6el-unknown-linux-gnu",
+    "powerpc-unknown-freebsd",
     "powerpc-unknown-linux-gnu",
     "powerpc-unknown-linux-gnuspe",
     "powerpc-unknown-linux-musl",