[clang] [profile] runtime counter relocation is needed on windows-msvc targets (PR #127858)

[Anh Tuyen Tran via cfe-commits]

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@@ -795,7 +795,8 @@ static void addPGOAndCoverageFlags(const ToolChain &TC, Compilation &C,
     else {
       CmdArgs.push_back("-fprofile-continuous");
       // Platforms that require a bias variable:
-      if (T.isOSBinFormatELF() || T.isOSAIX()) {
+      if (T.isOSBinFormatELF() || T.isOSAIX() ||
+          T.isKnownWindowsMSVCEnvironment()) {
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anhtuyenibm wrote:

Although I assume **Triple::Win32** aligns more closely to _WIN32, your point is reasonable. 

https://github.com/llvm/llvm-project/pull/127858