[Interpreter] Fix generate-bytecode-expectations help message.

test/cctest/interpreter/generate-bytecode-expectations.cc

Index: test/cctest/interpreter/generate-bytecode-expectations.cc
diff --git a/test/cctest/interpreter/generate-bytecode-expectations.cc b/test/cctest/interpreter/generate-bytecode-expectations.cc
index 1a09ac62c105432262f082e80f28e1f5a283a7b2..d0df6d0575ce815678c7c459faae42bafc1cde55 100644
--- a/test/cctest/interpreter/generate-bytecode-expectations.cc
+++ b/test/cctest/interpreter/generate-bytecode-expectations.cc
@@ -387,7 +387,7 @@ void PrintUsage(const char* exec_path) {
          "  --output=file.name\n"
          "      Specify the output file. If not specified, output goes to "
          "stdout.\n"
-         "  --pool-type=(int|double|string|mixed)\n"
+         "  --pool-type=(number|string|mixed)\n"
          "      Specify the type of the entries in the constant pool "
          "(default: mixed).\n"
          "\n"