deps: V8: cherry-pick cd2c216e7658

Original commit message:

    [riscv][jspi] Clear EPT entry on stack return

    Port commit 54cf5fa964f0734a8277ea2837aa2e4168e3240a
    Bug: 485784597

    Change-Id: I4a7e12d9047f7a4257be4711d9d6645d42f02a38
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/7608971
    Commit-Queue: Ji Qiu <[email protected]>
    Reviewed-by: Ji Qiu <[email protected]>
    Cr-Commit-Position: refs/heads/main@{#105464}

Refs: v8/v8@cd2c216

Author: luyahan

common.gypi

@@ -40,7 +40,7 @@
 
     # 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.15',
+    'v8_embedder_string': '-node.16',
 
     ##### V8 defaults for Node.js #####
 

deps/v8/src/builtins/riscv/builtins-riscv.cc

@@ -3834,7 +3834,8 @@ void SwitchStacks(MacroAssembler* masm, ExternalReference fn,
   {
     FrameScope scope(masm, StackFrame::MANUAL);
     DCHECK(old_stack.is_valid());
-    bool is_return = fn == ExternalReference::wasm_return_stack();
+    bool is_return = fn == ExternalReference::wasm_return_jspi_stack() ||
+                     fn == ExternalReference::wasm_return_wasmfx_stack();
     int num_args = is_return ? 2 : 5;
     if (maybe_suspender.is_valid()) {
       num_args++;
@@ -3872,8 +3873,9 @@ void ReloadParentStack(MacroAssembler* masm, Register return_reg,
   __ LoadWord(parent, MemOperand(active_stack, wasm::kStackParentOffset));
 
   // Switch stack!
-  SwitchStacks(masm, ExternalReference::wasm_return_stack(), parent, nullptr,
-               no_reg, tmp3, {return_reg, return_value, context, parent});
+  SwitchStacks(masm, ExternalReference::wasm_return_jspi_stack(), parent,
+               nullptr, no_reg, tmp3,
+               {return_reg, return_value, context, parent});
   LoadJumpBuffer(masm, parent, false, tmp3);
 }
 
@@ -4179,8 +4181,8 @@ void Builtins::Generate_WasmFXReturn(MacroAssembler* masm) {
   DEFINE_PINNED(parent, a2);
   __ Move(parent, MemOperand(active_stack, wasm::kStackParentOffset));
   DEFINE_REG(scratch);
-  SwitchStacks(masm, ExternalReference::wasm_return_stack(), parent, nullptr,
-               no_reg, scratch, {parent, arg_buffer});
+  SwitchStacks(masm, ExternalReference::wasm_return_wasmfx_stack(), parent,
+               nullptr, no_reg, scratch, {parent, arg_buffer});
   LoadJumpBuffer(masm, parent, true, scratch);
   __ Trap();
 }