[strong] Check arity of functions

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 4823243f2384b510771dd53a76dfa3bdb80c9471..2172695e78030f8d8a6254a3eba886fba21106cd 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -7406,6 +7406,8 @@ class SharedFunctionInfo: public HeapObject {
   // Allows to use byte-width instructions.
   static const int kStrictModeBitWithinByte =
       (kStrictModeFunction + kCompilerHintsSmiTagSize) % kBitsPerByte;
+  static const int kStrongModeBitWithinByte =
+      (kStrongModeFunction + kCompilerHintsSmiTagSize) % kBitsPerByte;
 
   static const int kNativeBitWithinByte =
       (kNative + kCompilerHintsSmiTagSize) % kBitsPerByte;
@@ -7413,12 +7415,18 @@ class SharedFunctionInfo: public HeapObject {
 #if defined(V8_TARGET_LITTLE_ENDIAN)
   static const int kStrictModeByteOffset = kCompilerHintsOffset +
       (kStrictModeFunction + kCompilerHintsSmiTagSize) / kBitsPerByte;
+  static const int kStrongModeByteOffset =
+      kCompilerHintsOffset +
+      (kStrongModeFunction + kCompilerHintsSmiTagSize) / kBitsPerByte;
   static const int kNativeByteOffset = kCompilerHintsOffset +
       (kNative + kCompilerHintsSmiTagSize) / kBitsPerByte;
 #elif defined(V8_TARGET_BIG_ENDIAN)
   static const int kStrictModeByteOffset = kCompilerHintsOffset +
       (kCompilerHintsSize - 1) -
       ((kStrictModeFunction + kCompilerHintsSmiTagSize) / kBitsPerByte);
+  static const int kStrongModeByteOffset =
+      kCompilerHintsOffset + (kCompilerHintsSize - 1) -
+      ((kStrongModeFunction + kCompilerHintsSmiTagSize) / kBitsPerByte);
   static const int kNativeByteOffset = kCompilerHintsOffset +
       (kCompilerHintsSize - 1) -
       ((kNative + kCompilerHintsSmiTagSize) / kBitsPerByte);