deps: V8: cherry-pick 9a712984025e

Original commit message:

    Fix SmartOS compilation error

    Refs: https://chromium-review.googlesource.com/c/v8/v8/+/2509594
    Change-Id: I98f55b404c0b2b26fbee0453b976119b39255b31
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2565273
    Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
    Commit-Queue: Joyee Cheung <joyee@igalia.com>
    Cr-Commit-Position: refs/heads/master@{#71681}

Refs: v8/v8@9a71298

PR-URL: #36139
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Shelley Vohr <codebytere@gmail.com>

common.gypi

@@ -36,7 +36,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.13',
+    'v8_embedder_string': '-node.14',
 
     ##### V8 defaults for Node.js #####
 

deps/v8/src/base/platform/platform-solaris.cc

@@ -66,7 +66,7 @@ void OS::SignalCodeMovingGC() {}
 void OS::AdjustSchedulingParams() {}
 
 // static
-void* Stack::GetStackStart() {
+Stack::StackSlot Stack::GetStackStart() {
   pthread_attr_t attr;
   int error;
   pthread_attr_init(&attr);