Index: runtime/vm/stub_code_x64.cc |
diff --git a/runtime/vm/stub_code_x64.cc b/runtime/vm/stub_code_x64.cc |
index a8ed6ef68de339f02a56dd1629c1026871839fe7..d2b32d252666a71acccd5fd2ac8245f7d1ba3c83 100644 |
--- a/runtime/vm/stub_code_x64.cc |
+++ b/runtime/vm/stub_code_x64.cc |
@@ -2092,6 +2092,7 @@ void StubCode::EmitMegamorphicLookup(Assembler* assembler) { |
FieldAddress(RBX, MegamorphicCache::arguments_descriptor_offset())); |
__ movq(RDI, FieldAddress(RBX, MegamorphicCache::buckets_offset())); |
__ movq(R9, FieldAddress(RBX, MegamorphicCache::mask_offset())); |
+ // R10: arguments descriptor (result). |
// RDI: cache buckets array. |
// RBX: mask. |
__ movq(RCX, RAX); |