deps: V8: cherry-pick b5b5d6c31bb0

Original commit message:

    Fix for no member named 'init_jmpbuf' on AIX

    In AIX, the system header file usr/include/sys/context.h file has jmpbuf redefined as __jmpbuf  which is creating the problem here.

    Change-Id: I4393e260092016315ac7559465684e3fdbba4900
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4868434
    Reviewed-by: Jakob Linke <[email protected]>
    Commit-Queue: Milad Farazmand <[email protected]>
    Cr-Commit-Position: refs/heads/main@{#90087}

Refs: v8/v8@b5b5d6c
PR-URL: #49639
Reviewed-By: Jiawen Geng <[email protected]>
Reviewed-By: Rafael Gonzaga <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>

Author: targos

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.8',
+    'v8_embedder_string': '-node.9',
 
     ##### V8 defaults for Node.js #####
 

deps/v8/src/common/globals.h

@@ -21,6 +21,12 @@
 
 #define V8_INFINITY std::numeric_limits<double>::infinity()
 
+// AIX has jmpbuf redefined as __jmpbuf in /usr/include/sys/context.h
+// which replaces v8's jmpbuf , resulting in undefined symbol errors
+#if defined(V8_OS_AIX) && defined(jmpbuf)
+#undef jmpbuf
+#endif
+
 namespace v8 {
 
 namespace base {