misc: increase node stack size

The default NodeJS V8 stack size is 984K, which is not enough to run
the regexp or go/parser tests. This commit increases the stack size
to 8192K, which removes the stack size limit error.

Fixes golang#56498
Fixes golang#57614

Change-Id: I357885d420daf259187403deab25ff587defa0fc
Reviewed-on: https://go-review.googlesource.com/c/go/+/463994
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Julien Fabre <ju.pryz@gmail.com>
Auto-Submit: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>

misc/wasm/go_js_wasm_exec

@@ -11,4 +11,7 @@ while [ -h "$SOURCE" ]; do
 done
 DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
 
-exec node "$DIR/wasm_exec_node.js" "$@"
+# Increase the V8 stack size from the default of 984K
+# to 8192K to ensure all tests can pass without hitting
+# stack size limits.
+exec node --stack-size=8192 "$DIR/wasm_exec_node.js" "$@"