Reimplement Function.prototype.bind.

src/arm/macro-assembler-arm.cc

Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index b274b2fe42aea26ad74784bab6a50931839ee45c..19b9aa4cdc0dde32c3e0f3c49984e632d1aa22e6 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -2030,7 +2030,8 @@ void MacroAssembler::DispatchMap(Register obj,
 void MacroAssembler::TryGetFunctionPrototype(Register function,
                                              Register result,
                                              Register scratch,
-                                             Label* miss) {
+                                             Label* miss,
+                                             bool miss_on_bound_function) {
   // Check that the receiver isn't a smi.
   JumpIfSmi(function, miss);
 
@@ -2038,6 +2039,15 @@ void MacroAssembler::TryGetFunctionPrototype(Register function,
   CompareObjectType(function, result, scratch, JS_FUNCTION_TYPE);
   b(ne, miss);
 
+  if (miss_on_bound_function) {
+    ldr(scratch,
+        FieldMemOperand(function, JSFunction::kSharedFunctionInfoOffset));
+    ldr(scratch,
+        FieldMemOperand(scratch, SharedFunctionInfo::kCompilerHintsOffset));
+    tst(scratch, Operand(1 << SharedFunctionInfo::kBoundFunction));
+    b(ne, miss);
+  }
+
   // Make sure that the function has an instance prototype.
   Label non_instance;
   ldrb(scratch, FieldMemOperand(result, Map::kBitFieldOffset));