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

src/mips/code-stubs-mips.cc

Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index df5da8fa5f63479cec1a1f2cfc388c3ace6e0f36..2b388c6b07888abeda754cfb0f02ad4406164e02 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -1476,7 +1476,7 @@ void RegExpExecStub::Generate(MacroAssembler* masm) {
   STATIC_ASSERT(kTwoByteStringTag == 0);
   __ And(a0, a0, Operand(kStringEncodingMask));  // Non-zero for one-byte.
   __ lw(t9, FieldMemOperand(regexp_data, JSRegExp::kDataOneByteCodeOffset));
-  __ sra(a3, a0, 2);  // a3 is 1 for ASCII, 0 for UC16 (used below).
+  __ sra(a3, a0, 3);  // a3 is 1 for ASCII, 0 for UC16 (used below).
   __ lw(t1, FieldMemOperand(regexp_data, JSRegExp::kDataUC16CodeOffset));
   __ Movz(t9, t1, a0);  // If UC16 (a0 is 0), replace t9 w/kDataUC16CodeOffset.