[clang] [llvm] [SystemZ][z/OS] This change adds support for the PPA2 section in zOS (PR #68926)

[Yusra Syeda via cfe-commits]

================
@@ -976,6 +976,46 @@ void CodeGenModule::Release() {
       Context.getTypeSizeInChars(Context.getWideCharType()).getQuantity();
   getModule().addModuleFlag(llvm::Module::Error, "wchar_size", WCharWidth);
 
+  if (getTriple().isOSzOS()) {
+    getModule().addModuleFlag(llvm::Module::Warning,
+                              "zos_product_major_version",
+                              uint32_t(CLANG_VERSION_MAJOR));
+    getModule().addModuleFlag(llvm::Module::Warning,
+                              "zos_product_minor_version",
+                              uint32_t(CLANG_VERSION_MINOR));
+    getModule().addModuleFlag(llvm::Module::Warning, "zos_product_patchlevel",
+                              uint32_t(CLANG_VERSION_PATCHLEVEL));
+    std::string ProductId;
+#ifdef CLANG_VENDOR
+    ProductId = #CLANG_VENDOR;
+#else
+    ProductId = "clang";
+#endif
+    // Remove - from Product Id, which makes it consistent with legacy.
+    std::size_t DashFound = ProductId.find("-");
+    if (DashFound != std::string::npos)
+      ProductId.erase(ProductId.begin() + DashFound);
----------------
ysyeda wrote:

I removed this from this PR as it's not required for the binder.

https://github.com/llvm/llvm-project/pull/68926