[runtime] First step to sanitize regexp literal creation.

test/cctest/test-assembler-arm64.cc

 // Copyright 2013 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 10221 matching lines @@
   CHECK_EQUAL_64(54, x27);
   // 3=3, 4=40, 5=500
   CHECK_EQUAL_64(17, x28);
   // w3: 4294967295, s1: 1.234000, x5: 18446744073709551615, d3: 3.456000
   CHECK_EQUAL_64(69, x29);
 
   TEARDOWN();
 }
 
 
-// This is a V8-specific test.
-static void CopyFieldsHelper(CPURegList temps) {
-  static const uint64_t kLiteralBase = 0x0100001000100101UL;
-  static const uint64_t src[] = {kLiteralBase * 1,
-                                 kLiteralBase * 2,
-                                 kLiteralBase * 3,
-                                 kLiteralBase * 4,
-                                 kLiteralBase * 5,
-                                 kLiteralBase * 6,
-                                 kLiteralBase * 7,
-                                 kLiteralBase * 8,
-                                 kLiteralBase * 9,
-                                 kLiteralBase * 10,
-                                 kLiteralBase * 11};
-  static const uint64_t src_tagged =
-      reinterpret_cast<uint64_t>(src) + kHeapObjectTag;
-
-  static const unsigned kTestCount = sizeof(src) / sizeof(src[0]) + 1;
-  uint64_t* dst[kTestCount];
-  uint64_t dst_tagged[kTestCount];
-
-  // The first test will be to copy 0 fields. The destination (and source)
-  // should not be accessed in any way.
-  dst[0] = NULL;
-  dst_tagged[0] = kHeapObjectTag;
-
-  // Allocate memory for each other test. Each test <n> will have <n> fields.
-  // This is intended to exercise as many paths in CopyFields as possible.
-  for (unsigned i = 1; i < kTestCount; i++) {
-    dst[i] = new uint64_t[i];
-    memset(dst[i], 0, i * sizeof(kLiteralBase));
-    dst_tagged[i] = reinterpret_cast<uint64_t>(dst[i]) + kHeapObjectTag;
-  }
-
-  SETUP();
-  START();
-
-  __ Mov(x0, dst_tagged[0]);
-  __ Mov(x1, 0);
-  __ CopyFields(x0, x1, temps, 0);
-  for (unsigned i = 1; i < kTestCount; i++) {
-    __ Mov(x0, dst_tagged[i]);
-    __ Mov(x1, src_tagged);
-    __ CopyFields(x0, x1, temps, i);
-  }
-
-  END();
-  RUN();
-  TEARDOWN();
-
-  for (unsigned i = 1; i < kTestCount; i++) {
-    for (unsigned j = 0; j < i; j++) {
-      CHECK(src[j] == dst[i][j]);
-    }
-    delete [] dst[i];
-  }
-}
-
-
-// This is a V8-specific test.
-TEST(copyfields) {
-  INIT_V8();
-  CopyFieldsHelper(CPURegList(x10));
-  CopyFieldsHelper(CPURegList(x10, x11));
-  CopyFieldsHelper(CPURegList(x10, x11, x12));
-  CopyFieldsHelper(CPURegList(x10, x11, x12, x13));
-}
-
-
 TEST(blr_lr) {
   // A simple test to check that the simulator correcty handle "blr lr".
   INIT_V8();
   SETUP();
 
   START();
   Label target;
   Label end;
 
   __ Mov(x0, 0x0);
@@ skipping 1014 matching lines @@
   __ Mov(x0, 1);
 
   END();
 
   RUN();
 
   CHECK_EQUAL_64(0x1, x0);
 
   TEARDOWN();
 }