Fix interpreted regexp build wrt tracing.

src/regexp/regexp-macro-assembler-tracer.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/regexp/regexp-macro-assembler-tracer.h"
 
 #include "src/ast/ast.h"
 
 namespace v8 {
 namespace internal {
 
 RegExpMacroAssemblerTracer::RegExpMacroAssemblerTracer(
     Isolate* isolate, RegExpMacroAssembler* assembler)
     : RegExpMacroAssembler(isolate, assembler->zone()), assembler_(assembler) {
-  unsigned int type = assembler->Implementation();
-  DCHECK(type < 8);
-  const char* impl_names[] = {"IA32", "ARM", "ARM64", "MIPS",
+  IrregexpImplementation type = assembler->Implementation();
+  DCHECK_LT(type, 9);
+  const char* impl_names[] = {"IA32", "ARM", "ARM64", "MIPS",    "S390",
                               "PPC",  "X64", "X87",   "Bytecode"};
   PrintF("RegExpMacroAssembler%s();\n", impl_names[type]);
 }
 
 
 RegExpMacroAssemblerTracer::~RegExpMacroAssemblerTracer() {
 }
 
 
 void RegExpMacroAssemblerTracer::AbortedCodeGeneration() {
@@ skipping 392 matching lines @@
 }
 
 
 Handle<HeapObject> RegExpMacroAssemblerTracer::GetCode(Handle<String> source) {
   PrintF(" GetCode(%s);\n", source->ToCString().get());
   return assembler_->GetCode(source);
 }
 
 }  // namespace internal
 }  // namespace v8