On mips platform, call operations may be followed by trampolines, which
leading to wrong information of the call instr's location in safepoint.
This CL fix it by adding a last_call_pc_ to record the location.

Besides, this CL also fix a bind operation in CheckTrampolinePool, which
may try to use trampoline before it's emission.

Change-Id: Ic0cbdb93afffa60a7389ee8177c381087fcaf52e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2095645
Commit-Queue: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68600}