Unify InvokeBuiltin implementations across architectures.

src/x87/macro-assembler-x87.cc

Index: src/x87/macro-assembler-x87.cc
diff --git a/src/x87/macro-assembler-x87.cc b/src/x87/macro-assembler-x87.cc
index 1cb33438ddf326544ffd82123445b324c9ae8332..7f9d4bf5880be2b60a7398e655d26cff2f1b1d63 100644
--- a/src/x87/macro-assembler-x87.cc
+++ b/src/x87/macro-assembler-x87.cc
@@ -2080,9 +2080,7 @@ void MacroAssembler::InvokeBuiltin(int native_context_index, InvokeFlag flag,
   // You can't call a builtin without a valid frame.
   DCHECK(flag == JUMP_FUNCTION || has_frame());
 
-  // Rely on the assertion to check that the number of provided
-  // arguments match the expected number of arguments. Fake a
-  // parameter count to avoid emitting code to do the check.
+  // Fake a parameter count to avoid emitting code to do the check.
   ParameterCount expected(0);
   GetBuiltinFunction(edi, native_context_index);
   InvokeFunctionCode(edi, no_reg, expected, expected, flag, call_wrapper);