[wasm] Disable dynamic tiering for debug code

R=jkummerow@chromium.org

Bug: v8:12281
Change-Id: If0ef4861d6466da211a799916e62234d458c2614
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3253357Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77638}

src/wasm/baseline/liftoff-compiler.cc

@@ -722,6 +722,7 @@ class LiftoffCompiler {
 
   void TierupCheck(FullDecoder* decoder, WasmCodePosition position,
                    int budget_used) {
+    if (for_debugging_ == kNoDebugging) return;
     CODE_COMMENT("tierup check");
     // We never want to blow the entire budget at once.
     const int kMax = FLAG_wasm_tiering_budget / 4;
@@ -917,7 +918,8 @@ class LiftoffCompiler {
     // is never a position of any instruction in the function.
     StackCheck(decoder, 0);
 
-    if (env_->dynamic_tiering == DynamicTiering::kEnabled) {
+    if (env_->dynamic_tiering == DynamicTiering::kEnabled &&
+        for_debugging_ == kNoDebugging) {
       // TODO(arobin): Avoid spilling registers unconditionally.
       __ SpillAllRegisters();
       CODE_COMMENT("dynamic tiering");