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

test/mjsunit/regress/string-set-char-deopt.js

Index: test/mjsunit/regress/string-set-char-deopt.js
diff --git a/test/mjsunit/regress/string-set-char-deopt.js b/test/mjsunit/regress/string-set-char-deopt.js
index 9f6d43453840e41d73c4a4f5702346d0fe6e16fa..a4b34e8495126140104a0d4fd363c35ee5fe4405 100644
--- a/test/mjsunit/regress/string-set-char-deopt.js
+++ b/test/mjsunit/regress/string-set-char-deopt.js
@@ -34,7 +34,7 @@
 
   function f(string, osr) {
     var world = " world";
-    %_OneByteSeqStringSetChar(string, 0, (deopt(), 0x48));
+    %_OneByteSeqStringSetChar(0, (deopt(), 0x48), string);
 
     if (osr) while (%GetOptimizationStatus(f) == 2) {}
 
@@ -56,7 +56,7 @@
   }
 
   function f(string) {
-    g(%_OneByteSeqStringSetChar(string, 0, (deopt(), 0x48)));
+    g(%_OneByteSeqStringSetChar(0, (deopt(), 0x48), string));
     return string;
   }
 
@@ -75,7 +75,7 @@
   }
 
   function f(string) {
-    g(%_TwoByteSeqStringSetChar(string, 0, (deopt(), 0x48)));
+    g(%_TwoByteSeqStringSetChar(0, (deopt(), 0x48), string));
     return string;
   }