Fix test crashes I just introduced.

test/cctest/test-regexp.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 697 matching lines @@
   DispatchTable table;
   DispatchTableConstructor cons(&table);
   cons.set_choice_index(0);
   cons.AddInverse(ranges);
   CHECK(!table.Get(0xFFFE)->Get(0));
   CHECK(table.Get(0xFFFF)->Get(0));
 }
 
 
 static uc32 canonicalize(uc32 c) {
-  unibrow::uchar canon[unibrow::kMaxMappingSize];
+  unibrow::uchar canon[unibrow::Ecma262Canonicalize::kMaxWidth];
   int count = unibrow::Ecma262Canonicalize::Convert(c, '\0', canon, NULL);
   if (count == 0) {
     return c;
   } else {
     CHECK_EQ(1, count);
     return canon[0];
   }
 }
 
 
 TEST(LatinCanonicalize) {
   unibrow::Mapping<unibrow::Ecma262UnCanonicalize> un_canonicalize;
   for (char lower = 'a'; lower <= 'z'; lower++) {
     char upper = lower + ('A' - 'a');
     CHECK_EQ(canonicalize(lower), canonicalize(upper));
-    unibrow::uchar uncanon[unibrow::kMaxMappingSize];
+    unibrow::uchar uncanon[unibrow::Ecma262UnCanonicalize::kMaxWidth];
     int length = un_canonicalize.get(lower, '\0', uncanon);
     CHECK_EQ(2, length);
     CHECK_EQ(upper, uncanon[0]);
     CHECK_EQ(lower, uncanon[1]);
   }
   for (uc32 c = 128; c < (1 << 21); c++) {
     // These exceptions are caused by a known bug in the implementation.
     if (c != 0x026B && c != 0x027D)
       CHECK_GE(canonicalize(c), 128);
   }
   unibrow::Mapping<unibrow::ToUppercase> to_upper;
   for (uc32 c = 0; c < (1 << 21); c++) {
     if (c == 0x026B || c == 0x027D) continue;
-    unibrow::uchar upper[unibrow::kMaxMappingSize];
+    unibrow::uchar upper[unibrow::ToUppercase::kMaxWidth];
     int length = to_upper.get(c, '\0', upper);
     if (length == 0) {
       length = 1;
       upper[0] = c;
     }
     uc32 u = upper[0];
     if (length > 1 || (c >= 128 && u < 128))
       u = c;
     if (u != canonicalize(c))
       printf("%x\n", c);
     CHECK_EQ(u, canonicalize(c));
   }
 }
 
 
 TEST(SimplePropagation) {
   v8::HandleScope scope;
   ZoneScope zone_scope(DELETE_ON_EXIT);
   RegExpNode* node = Compile("(a|^b|c)");
   CHECK(node->info()->determine_start);
 }
 
 
 TEST(Graph) {
   Execute("(a|^b|c)", "", true);
 }