diff --git a/libcxx/test/libcxx/experimental/language.support/support.coroutines/dialect_support.pass.cpp b/libcxx/test/libcxx/experimental/language.support/support.coroutines/dialect_support.pass.cpp
--- a/libcxx/test/libcxx/experimental/language.support/support.coroutines/dialect_support.pass.cpp
+++ b/libcxx/test/libcxx/experimental/language.support/support.coroutines/dialect_support.pass.cpp
@@ -25,7 +25,7 @@
   struct promise_type {
     typedef coro::coroutine_handle<promise_type> HandleT;
     coro::suspend_never initial_suspend() { return sn; }
-    coro::suspend_always final_suspend() { return sa; }
+    coro::suspend_always final_suspend() noexcept { return sa; }
     coro::suspend_never yield_value(int) { return sn; }
     MyFuture get_return_object() {
       MyFuture f(HandleT::from_promise(*this));
diff --git a/libcxx/test/std/experimental/language.support/support.coroutines/coroutine.handle/coroutine.handle.prom/promise.pass.cpp b/libcxx/test/std/experimental/language.support/support.coroutines/coroutine.handle/coroutine.handle.prom/promise.pass.cpp
--- a/libcxx/test/std/experimental/language.support/support.coroutines/coroutine.handle/coroutine.handle.prom/promise.pass.cpp
+++ b/libcxx/test/std/experimental/language.support/support.coroutines/coroutine.handle/coroutine.handle.prom/promise.pass.cpp
@@ -32,7 +32,7 @@
     void unhandled_exception() {}
     void return_void() {}
     coro::suspend_never initial_suspend() { return {}; }
-    coro::suspend_never final_suspend() { return {}; }
+    coro::suspend_never final_suspend() noexcept { return {}; }
     MyCoro get_return_object() {
       do_runtime_test();
       return {};
diff --git a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/await_result.pass.cpp b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/await_result.pass.cpp
--- a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/await_result.pass.cpp
+++ b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/await_result.pass.cpp
@@ -23,7 +23,7 @@
       return {};
     }
     suspend_never initial_suspend() { return {}; }
-    suspend_never final_suspend() { return {}; }
+    suspend_never final_suspend() noexcept { return {}; }
     void return_void() {}
     static void unhandled_exception() {}
   };
diff --git a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/bool_await_suspend.pass.cpp b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/bool_await_suspend.pass.cpp
--- a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/bool_await_suspend.pass.cpp
+++ b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/bool_await_suspend.pass.cpp
@@ -25,7 +25,7 @@
       return coroutine_handle<promise_type>::from_promise(*this);
     }
     suspend_never initial_suspend() { return {}; }
-    suspend_never final_suspend() { return {}; }
+    suspend_never final_suspend() noexcept { return {}; }
     void return_void() {}
     void unhandled_exception() {}
   };
diff --git a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/expected.pass.cpp b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/expected.pass.cpp
--- a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/expected.pass.cpp
+++ b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/expected.pass.cpp
@@ -40,7 +40,7 @@
     Data* data;
     DataPtr get_return_object() { data = new Data{}; return {data}; }
     suspend_never initial_suspend() { return {}; }
-    suspend_never final_suspend() { return {}; }
+    suspend_never final_suspend() noexcept { return {}; }
     void return_value(T v) { data->val = std::move(v); data->error = {};}
     void unhandled_exception() {}
   };
diff --git a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/fullexpr-dtor.pass.cpp b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/fullexpr-dtor.pass.cpp
--- a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/fullexpr-dtor.pass.cpp
+++ b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/fullexpr-dtor.pass.cpp
@@ -45,7 +45,7 @@
 struct coro2 {
   struct promise_type {
     suspend_never initial_suspend() { return{}; }
-    suspend_never final_suspend() { return{}; }
+    suspend_never final_suspend() noexcept { return {}; }
     coro2 get_return_object() { return{}; }
     void return_void() {}
     Bug yield_value(int) { return {}; }
diff --git a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/generator.pass.cpp b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/generator.pass.cpp
--- a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/generator.pass.cpp
+++ b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/generator.pass.cpp
@@ -29,7 +29,7 @@
       return {};
     }
     suspend_always initial_suspend() { return {}; }
-    suspend_always final_suspend() { return {}; }
+    suspend_always final_suspend() noexcept { return {}; }
     minig get_return_object() { return minig{this}; };
     void return_void() {}
     void unhandled_exception() {}
diff --git a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/go.pass.cpp b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/go.pass.cpp
--- a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/go.pass.cpp
+++ b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/go.pass.cpp
@@ -46,9 +46,7 @@
     suspend_never initial_suspend() {
       return {};
     }
-    suspend_never final_suspend() {
-      return {};
-    }
+    suspend_never final_suspend() noexcept { return {}; }
     void return_void() {}
     goroutine get_return_object() {
       return{};