Change the order of arguments of the (One|Two)ByteSeqStringSetChar intrinsic.

src/x64/full-codegen-x64.cc

Index: src/x64/full-codegen-x64.cc
diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc
index 9f9f56c5f7adb1bbe59ffc9f2115a7e6eb3051b3..0633cdf7676e1f09c5f4f0f7aaef4414a2ad38e6 100644
--- a/src/x64/full-codegen-x64.cc
+++ b/src/x64/full-codegen-x64.cc
@@ -3351,9 +3351,9 @@ void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) {
   Register index = rbx;
   Register value = rcx;
 
-  VisitForStackValue(args->at(1));  // index
-  VisitForStackValue(args->at(2));  // value
-  VisitForAccumulatorValue(args->at(0));  // string
+  VisitForStackValue(args->at(0));        // index
+  VisitForStackValue(args->at(1));        // value
+  VisitForAccumulatorValue(args->at(2));  // string
   __ Pop(value);
   __ Pop(index);
 
@@ -3384,9 +3384,9 @@ void FullCodeGenerator::EmitTwoByteSeqStringSetChar(CallRuntime* expr) {
   Register index = rbx;
   Register value = rcx;
 
-  VisitForStackValue(args->at(1));  // index
-  VisitForStackValue(args->at(2));  // value
-  VisitForAccumulatorValue(args->at(0));  // string
+  VisitForStackValue(args->at(0));        // index
+  VisitForStackValue(args->at(1));        // value
+  VisitForAccumulatorValue(args->at(2));  // string
   __ Pop(value);
   __ Pop(index);