[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 6c31a411b60ba98af6482ada57dccda27775fb5e..7643b62e509b7e2aca1179be9e22ad76fee94510 100644
--- a/src/compiler/mips/code-generator-mips.cc
+++ b/src/compiler/mips/code-generator-mips.cc
@@ -1922,6 +1922,9 @@ void CodeGenerator::AssembleConstructFrame() {
       __ mov(fp, sp);
     } else if (descriptor->IsJSFunctionCall()) {
       __ Prologue(this->info()->GeneratePreagedPrologue());
+      if (descriptor->PushArgumentCount()) {
+        __ Push(kJavaScriptCallArgCountRegister);
+      }
     } else {
       __ StubPrologue(info()->GetOutputStackFrameType());
     }