Update to 21.0.0

And silence emcc in test.sh, since it otherwise prints some noise to
stderr when some compilation parts aren’t cached.

1 files changed, 1 insertions, 1 deletions

diff --git a/test.sh b/test.sh
index 83e1e33d24f5..a748726278b1 100755
--- a/test.sh
+++ b/test.sh
@@ -61,7 +61,7 @@ int main() {
   return 0;
 }
 EOF
-emcc -o hello.wasm hello.c || exit
+emcc -o hello.wasm hello.c 2>/dev/null || exit
 
 helloWorld=$(wasm --Builtins=wasi_snapshot_preview1 hello.wasm) || exit
 if [[ $helloWorld != 'Hello, WASM!' ]]; then