Use internal memcpy for PatchPlatformCodeAge as well.

R=jkummerow@chromium.org
BUG=chromium:196330

Review URL: https://codereview.chromium.org/12970009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14029 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/codegen-arm.cc

@@ -691,7 +691,7 @@ void Code::PatchPlatformCodeAge(byte* sequence,
   uint32_t young_length;
   byte* young_sequence = GetNoCodeAgeSequence(&young_length);
   if (age == kNoAge) {
-    memcpy(sequence, young_sequence, young_length);
+    CopyBytes(sequence, young_sequence, young_length);
     CPU::FlushICache(sequence, young_length);
   } else {
     Code* stub = GetCodeAgeStub(age, parity);

src/ia32/codegen-ia32.cc

@@ -952,7 +952,7 @@ void Code::PatchPlatformCodeAge(byte* sequence,
   uint32_t young_length;
   byte* young_sequence = GetNoCodeAgeSequence(&young_length);
   if (age == kNoAge) {
-    memcpy(sequence, young_sequence, young_length);
+    CopyBytes(sequence, young_sequence, young_length);
     CPU::FlushICache(sequence, young_length);
   } else {
     Code* stub = GetCodeAgeStub(age, parity);

src/mips/codegen-mips.cc

@@ -702,7 +702,7 @@ void Code::PatchPlatformCodeAge(byte* sequence,
   uint32_t young_length;
   byte* young_sequence = GetNoCodeAgeSequence(&young_length);
   if (age == kNoAge) {
-    memcpy(sequence, young_sequence, young_length);
+    CopyBytes(sequence, young_sequence, young_length);
     CPU::FlushICache(sequence, young_length);
   } else {
     Code* stub = GetCodeAgeStub(age, parity);

src/x64/codegen-x64.cc

@@ -769,7 +769,7 @@ void Code::PatchPlatformCodeAge(byte* sequence,
   uint32_t young_length;
   byte* young_sequence = GetNoCodeAgeSequence(&young_length);
   if (age == kNoAge) {
-    memcpy(sequence, young_sequence, young_length);
+    CopyBytes(sequence, young_sequence, young_length);
     CPU::FlushICache(sequence, young_length);
   } else {
     Code* stub = GetCodeAgeStub(age, parity);