deps: V8: backport 910cb91733dc

Original commit message:

    [wasm][liftoff][arm64] Fix DropExceptionValueAtOffset

    We cannot exit the iteration early, we must update all entries
    in the cache state.

    Fixed: 343748812
    Change-Id: I8353acb7bd0edc4b979db92e44d24cb9028fd92b
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/5596273
    Reviewed-by: Clemens Backes <[email protected]>
    Commit-Queue: Clemens Backes <[email protected]>
    Auto-Submit: Jakob Kummerow <[email protected]>
    Commit-Queue: Jakob Kummerow <[email protected]>
    Cr-Commit-Position: refs/heads/main@{#94244}

Refs: v8/v8@910cb91733dc

Author: jakobkummerow

common.gypi

@@ -38,7 +38,7 @@
 
     # 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.45',
+    'v8_embedder_string': '-node.46',
 
     ##### V8 defaults for Node.js #####
 

deps/v8/src/wasm/baseline/liftoff-assembler.cc

@@ -430,12 +430,13 @@ void LiftoffAssembler::DropExceptionValueAtOffset(int offset) {
        slot != end; ++slot) {
     *slot = *(slot + 1);
     stack_offset = NextSpillOffset(slot->kind(), stack_offset);
-    // Padding could allow us to exit early.
-    if (slot->offset() == stack_offset) break;
-    if (slot->is_stack()) {
-      MoveStackValue(stack_offset, slot->offset(), slot->kind());
+    // Padding could cause some spill offsets to remain the same.
+    if (slot->offset() != stack_offset) {
+      if (slot->is_stack()) {
+        MoveStackValue(stack_offset, slot->offset(), slot->kind());
+      }
+      slot->set_offset(stack_offset);
     }
-    slot->set_offset(stack_offset);
   }
   cache_state_.stack_state.pop_back();
 }