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

src/mips/full-codegen-mips.cc

Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index e679a29e51c9453b1afbb67cff16e28bb10e4283..36c0b52bcd1475000f5d1aee29a3ed8c5f6e132f 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -3435,9 +3435,9 @@ void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) {
   Register index = a1;
   Register value = a2;
 
-  VisitForStackValue(args->at(0));        // index
-  VisitForStackValue(args->at(1));        // value
-  VisitForAccumulatorValue(args->at(2));  // string
+  VisitForStackValue(args->at(1));        // index
+  VisitForStackValue(args->at(2));        // value
+  VisitForAccumulatorValue(args->at(0));  // string
   __ Pop(index, value);
 
   if (FLAG_debug_code) {
@@ -3472,9 +3472,9 @@ void FullCodeGenerator::EmitTwoByteSeqStringSetChar(CallRuntime* expr) {
   Register index = a1;
   Register value = a2;
 
-  VisitForStackValue(args->at(0));        // index
-  VisitForStackValue(args->at(1));        // value
-  VisitForAccumulatorValue(args->at(2));  // string
+  VisitForStackValue(args->at(1));        // index
+  VisitForStackValue(args->at(2));        // value
+  VisitForAccumulatorValue(args->at(0));  // string
   __ Pop(index, value);
 
   if (FLAG_debug_code) {