[strong] Check arity of functions

src/mips64/builtins-mips64.cc

Index: src/mips64/builtins-mips64.cc
diff --git a/src/mips64/builtins-mips64.cc b/src/mips64/builtins-mips64.cc
index 5c8879704fac07640b610e3af1f8b40b9dc1c1f8..a20e868d154ab1ec09ad228bf243e88a1e01855c 100644
--- a/src/mips64/builtins-mips64.cc
+++ b/src/mips64/builtins-mips64.cc
@@ -1751,6 +1751,21 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
 
   {  // Too few parameters: Actual < expected.
     __ bind(&too_few);
+
+    // If the function is strong we need to throw an error.
+    Label weak_function;
+    __ ld(t1, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset));
+    __ lbu(t1, FieldMemOperand(t1, SharedFunctionInfo::kCompilerHintsOffset));
+    __ And(t2, t1, Operand(1 << SharedFunctionInfo::kStrongModeBitWithinByte));
+    __ Branch(&weak_function, eq, t2, Operand(zero_reg));
+
+    {
+      FrameScope frame(masm, StackFrame::MANUAL);
+      EnterArgumentsAdaptorFrame(masm);
+      __ CallRuntime(Runtime::kThrowStrongModeTooFewArguments, 0);
+    }
+
+    __ bind(&weak_function);
     EnterArgumentsAdaptorFrame(masm);
 
     // Calculate copy start address into a0 and copy end address is fp.