--- old/src/share/vm/compiler/compilerOracle.cpp	2014-11-21 16:39:02.110214724 +0100
+++ new/src/share/vm/compiler/compilerOracle.cpp	2014-11-21 16:39:02.006214729 +0100
@@ -492,18 +492,32 @@
   tty->print_cr("  exclude *.toString");
 }
 
-
-// The characters allowed in a class or method name.  All characters > 0x7f
-// are allowed in order to handle obfuscated class files (e.g. Volano)
-#define RANGEBASE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789$_<>" \
-        "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f" \
-        "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f" \
-        "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf" \
-        "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf" \
-        "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf" \
-        "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf" \
-        "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef" \
-        "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
+// The characters allowed in a class or method name.
+// Chars in ascii range 0x00-0x7f can only exist in UTF8 single byte encoding.
+// The range 0xc00-0xf7 is the first byte in a multibyte sequence
+// The range 0x80-0xbf are for the followers in a multibyte sequence
+// The range 0xf7-0xff can not exist in any position.
+// 0x00 is a legal part identifer but we can not support that.
+// The parser accepts all matching Charachter.isJavaIdentiferPart -
+// that means some illegal patterns may be specified. They will never
+// match any method or class.
+
+#define RANGEBASE "\x1\x2\x3\x4\x5\x6\x7\x8\xe\xf" \
+"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b" \
+"\x24" \
+"\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39" \
+"\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f" \
+"\x50\x51\x52\x53\x54\x55\x56\x57\x58\x59\x5a\x5f" \
+"\x61\x62\x63\x64\x65\x66\x67\x68\x69\x6a\x6b\x6c\x6d\x6e\x6f" \
+"\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7a\x7f" \
+"\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f" \
+"\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f" \
+"\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf" \
+"\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf" \
+"\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf" \
+"\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf" \
+"\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef" \
+"\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7"
 
 #define RANGE0 "[*" RANGEBASE "]"
 #define RANGESLASH "[*" RANGEBASE "/]"
@@ -681,7 +695,7 @@
 
   if (command == UnknownCommand) {
     ttyLocker ttyl;
-    tty->print_cr("CompilerOracle: unrecognized line");
+    tty->print_cr("CompileCommand: unrecognized command");
     tty->print_cr("  \"%s\"", original_line);
     return;
   }
@@ -740,7 +754,7 @@
         if (match != NULL && !_quiet) {
           // Print out the last match added
           ttyLocker ttyl;
-          tty->print("CompilerOracle: %s ", command_names[command]);
+          tty->print("CompileCommand: %s ", command_names[command]);
           match->print();
         }
         line += bytes_read;
@@ -775,7 +789,7 @@
   ttyLocker ttyl;
   if (error_msg != NULL) {
     // an error has happened
-    tty->print_cr("CompilerOracle: unrecognized line");
+    tty->print_cr("CompileCommand: An error occured during parsing");
     tty->print_cr("  \"%s\"", original_line);
     if (error_msg != NULL) {
       tty->print_cr("%s", error_msg);
@@ -785,11 +799,11 @@
     bytes_read = 0;
     sscanf(line, "%*[ \t]%n", &bytes_read);
     if (line[bytes_read] != '\0') {
-      tty->print_cr("CompilerOracle: unrecognized line");
+      tty->print_cr("CompileCommand: Bad pattern");
       tty->print_cr("  \"%s\"", original_line);
       tty->print_cr("  Unrecognized text %s after command ", line);
     } else if (match != NULL && !_quiet) {
-      tty->print("CompilerOracle: %s ", command_names[command]);
+      tty->print("CompilerCommand: %s ", command_names[command]);
       match->print();
     }
   }