[riscv64] Fix align failed

Bug: v8:12130
Change-Id: I2cf3513fb09e5844ef827901cbbe73f70b2a3edd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3112986Reviewed-by: Ji Qiu <qiuji@iscas.ac.cn>
Commit-Queue: Ji Qiu <qiuji@iscas.ac.cn>
Auto-Submit: Yahan Lu <yahan@iscas.ac.cn>
Cr-Commit-Position: refs/heads/main@{#76422}

test/cctest/test-assembler-riscv64.cc

@@ -1926,11 +1926,10 @@ TEST(jump_tables3) {
       __ j(&done);
     }
 
-    __ Align(8);
     __ bind(&dispatch);
     {
       __ BlockTrampolinePoolFor(kNumCases * 2 + 6);
-
+      __ Align(8);
       __ auipc(ra, 0);
       __ slli(t3, a0, 3);
       __ add(t3, t3, ra);