PPC: Fix DCHECK error in set_constant_pool_offset AGAIN

the DCHECK in set_constant_pool_offset fails due to the
InstructionSize() needs builtin_index()

Change-Id: Ic3f2a72d4f481ba9d5413c1bcfdd95b8bb107782
Reviewed-on: https://chromium-review.googlesource.com/c/1456309Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Junliang Yan <jyan@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#59436}

src/heap/factory.cc

@@ -2866,11 +2866,11 @@ Handle<Code> Factory::NewOffHeapTrampolineFor(Handle<Code> code,
     result->initialize_flags(code->kind(), code->has_unwinding_info(),
                              code->is_turbofanned(), stack_slots,
                              set_is_off_heap_trampoline);
+    result->set_builtin_index(code->builtin_index());
     result->set_safepoint_table_offset(code->safepoint_table_offset());
     result->set_handler_table_offset(code->handler_table_offset());
     result->set_constant_pool_offset(code->constant_pool_offset());
     result->set_code_comments_offset(code->code_comments_offset());
-    result->set_builtin_index(code->builtin_index());
 
     // Replace the newly generated trampoline's RelocInfo ByteArray with the
     // canonical one stored in the roots to avoid duplicating it for every