Fix compile cctest error

When is_component_build is true, cctest will compile error, because
the dependencies is not exported.these files will failed:test-utils
-arm64.cc,test-strings.cc.

Change-Id: I4bcdde08199f21454ec6d7e230d9d096c0315eac
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1873447Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64448}

AUTHORS

@@ -200,3 +200,4 @@ Yu Yin <xwafish@gmail.com>
 Zac Hansen <xaxxon@gmail.com>
 Zhongping Wang <kewpie.w.zp@gmail.com>
 柳荣一 <admin@web-tinker.com>
+Yanbo Li <lybvinci@gmail.com>

src/codegen/arm64/register-arm64.h

@@ -525,13 +525,11 @@ ALIAS_REGISTER(VRegister, fp_scratch2, d31);
 
 // AreAliased returns true if any of the named registers overlap. Arguments set
 // to NoReg are ignored. The system stack pointer may be specified.
-bool AreAliased(const CPURegister& reg1, const CPURegister& reg2,
-                const CPURegister& reg3 = NoReg,
-                const CPURegister& reg4 = NoReg,
-                const CPURegister& reg5 = NoReg,
-                const CPURegister& reg6 = NoReg,
-                const CPURegister& reg7 = NoReg,
-                const CPURegister& reg8 = NoReg);
+V8_EXPORT_PRIVATE bool AreAliased(
+    const CPURegister& reg1, const CPURegister& reg2,
+    const CPURegister& reg3 = NoReg, const CPURegister& reg4 = NoReg,
+    const CPURegister& reg5 = NoReg, const CPURegister& reg6 = NoReg,
+    const CPURegister& reg7 = NoReg, const CPURegister& reg8 = NoReg);
 
 // AreSameSizeAndType returns true if all of the specified registers have the
 // same size, and are of the same type. The system stack pointer may be

src/strings/unicode.h

@@ -228,12 +228,12 @@ V8_INLINE bool IsStringLiteralLineTerminator(uchar c) {
 }
 
 #ifndef V8_INTL_SUPPORT
-struct ToLowercase {
+struct V8_EXPORT_PRIVATE ToLowercase {
   static const int kMaxWidth = 3;
   static const bool kIsToLower = true;
   static int Convert(uchar c, uchar n, uchar* result, bool* allow_caching_ptr);
 };
-struct ToUppercase {
+struct V8_EXPORT_PRIVATE ToUppercase {
   static const int kMaxWidth = 3;
   static const bool kIsToLower = false;
   static int Convert(uchar c, uchar n, uchar* result, bool* allow_caching_ptr);