[runtime] Support Proxy setPrototypeOf trap

src/regexp/interpreter-irregexp.cc

Index: src/regexp/interpreter-irregexp.cc
diff --git a/src/regexp/interpreter-irregexp.cc b/src/regexp/interpreter-irregexp.cc
index ea748e4e55de21fbb6dc9c61725828f052be76fe..085b9290c3759db6c13c5e568c2dd58a52f6f2fb 100644
--- a/src/regexp/interpreter-irregexp.cc
+++ b/src/regexp/interpreter-irregexp.cc
@@ -560,7 +560,7 @@ static RegExpImpl::IrregexpResult RawMatch(Isolate* isolate,
         }
         break;
       BYTECODE(CHECK_NOT_AT_START)
-        if (current + (insn >> BYTECODE_SHIFT) == 0) {
+      if (current + (insn >> BYTECODE_SHIFT) == 0) {
           pc += BC_CHECK_NOT_AT_START_LENGTH;
         } else {
           pc = code_base + Load32Aligned(pc + 4);