MIPS[64]: Fix `[builtins]: Uniformly push argument count in TF-generated builtins`

src/compiler/mips/code-generator-mips.cc

Index: src/compiler/mips/code-generator-mips.cc
diff --git a/src/compiler/mips/code-generator-mips.cc b/src/compiler/mips/code-generator-mips.cc
index 7643b62e509b7e2aca1179be9e22ad76fee94510..ee374798b1e309df37be2e6ee4ae767ed6e69a4d 100644
--- a/src/compiler/mips/code-generator-mips.cc
+++ b/src/compiler/mips/code-generator-mips.cc
@@ -1930,7 +1930,8 @@ void CodeGenerator::AssembleConstructFrame() {
     }
   }
 
-  int shrink_slots = frame()->GetSpillSlotCount();
+  int shrink_slots =
+      frame()->GetTotalFrameSlotCount() - descriptor->CalculateFixedFrameSize();
 
   if (info()->is_osr()) {
     // TurboFan OSR-compiled functions cannot be entered directly.