MIPS[64]: Fix `Internalize strings in-place (reland)`

src/mips64/code-stubs-mips64.cc

Index: src/mips64/code-stubs-mips64.cc
diff --git a/src/mips64/code-stubs-mips64.cc b/src/mips64/code-stubs-mips64.cc
index 9e56dfd1bd5fb235b143c9e95590cabfdc0bdb82..10b1027b47fec99c8d427124529c271fec007e3d 100644
--- a/src/mips64/code-stubs-mips64.cc
+++ b/src/mips64/code-stubs-mips64.cc
@@ -1476,7 +1476,7 @@ void RegExpExecStub::Generate(MacroAssembler* masm) {
   STATIC_ASSERT(kTwoByteStringTag == 0);
   __ And(a0, a0, Operand(kStringEncodingMask));  // Non-zero for one_byte.
   __ ld(t9, FieldMemOperand(regexp_data, JSRegExp::kDataOneByteCodeOffset));
-  __ dsra(a3, a0, 2);  // a3 is 1 for one_byte, 0 for UC16 (used below).
+  __ dsra(a3, a0, 3);  // a3 is 1 for one_byte, 0 for UC16 (used below).
   __ ld(a5, FieldMemOperand(regexp_data, JSRegExp::kDataUC16CodeOffset));
   __ Movz(t9, a5, a0);  // If UC16 (a0 is 0), replace t9 w/kDataUC16CodeOffset.