Sort the feature macros alphabetically.

Author: sunfishcode

clang/test/Preprocessor/wasm-target-features.c

@@ -163,12 +163,12 @@
 // RUN:     -target wasm64-unknown-unknown -mcpu=generic \
 // RUN:   | FileCheck %s -check-prefix=GENERIC-INCLUDE
 //
+// GENERIC-INCLUDE-DAG: #define __wasm_bulk_memory__ 1{{$}}
 // GENERIC-INCLUDE-DAG: #define __wasm_multivalue__ 1{{$}}
 // GENERIC-INCLUDE-DAG: #define __wasm_mutable_globals__ 1{{$}}
+// GENERIC-INCLUDE-DAG: #define __wasm_nontrapping_fptoint__ 1{{$}}
 // GENERIC-INCLUDE-DAG: #define __wasm_reference_types__ 1{{$}}
 // GENERIC-INCLUDE-DAG: #define __wasm_sign_ext__ 1{{$}}
-// GENERIC-INCLUDE-DAG: #define __wasm_nontrapping_fptoint__ 1{{$}}
-// GENERIC-INCLUDE-DAG: #define __wasm_bulk_memory__ 1{{$}}
 //
 // RUN: %clang -E -dM %s -o - 2>&1 \
 // RUN:     -target wasm32-unknown-unknown -mcpu=generic \