Fix register trashing in Emit*ByteSeqStringSetChar

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 a9cf791d91867ea6fa7f8c5e669e281ac888fb5b..1859bc8852f806b51e2e8f14db0bfa294153d916 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -3549,8 +3549,8 @@ void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) {
 
   VisitForStackValue(args->at(1));  // index
   VisitForStackValue(args->at(2));  // value
-  __ Pop(index, value);
   VisitForAccumulatorValue(args->at(0));  // string
+  __ Pop(index, value);
 
   if (FLAG_debug_code) {
     static const uint32_t one_byte_seq_type = kSeqStringTag | kOneByteStringTag;
@@ -3578,8 +3578,8 @@ void FullCodeGenerator::EmitTwoByteSeqStringSetChar(CallRuntime* expr) {
 
   VisitForStackValue(args->at(1));  // index
   VisitForStackValue(args->at(2));  // value
-  __ Pop(index, value);
   VisitForAccumulatorValue(args->at(0));  // string
+  __ Pop(index, value);
 
   if (FLAG_debug_code) {
     static const uint32_t two_byte_seq_type = kSeqStringTag | kTwoByteStringTag;