deps: V8: cherry-pick 7f436a0b44a1

Original commit message:

    [riscv] Check trampoline before Constant pool in Release mode

    Change-Id: I9645cded9328dabb2c11c7859b998c838b95f97b

Refs: v8/v8@7f436a0

Author: luyahan

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.14',
+    'v8_embedder_string': '-node.15',
 
     ##### V8 defaults for Node.js #####
 

deps/v8/src/codegen/riscv/macro-assembler-riscv.cc

@@ -4941,10 +4941,9 @@ void MacroAssembler::Jump(Register target, Condition cond, Register rs,
     jr(target);
     DEBUG_PRINTF("\tCheckTrampolinePool pc_offset:%d %d\n", pc_offset(),
                  next_buffer_check() - ConstpoolComputesize());
-    if (!is_trampoline_emitted() && v8_flags.debug_code &&
+    if (!is_trampoline_emitted() &&
         pc_offset() >= (next_buffer_check() - ConstpoolComputesize())) {
-      // Debug mode will emit more instrs than Release mode.
-      // so we need to check trampoline pool before Constant pool.
+      // We need to check trampoline pool before Constant pool.
       // Here need to emit trampoline first.
       // Jump(ra, al) will block trampoline pool for 1 instr.
       nop();