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

[Ulrich Weigand via cfe-commits]

================
@@ -1026,6 +1030,71 @@ void SystemZAsmPrinter::emitADASection() {
   OutStreamer->popSection();
 }
 
+static uint32_t getProductVersion(Module &M) {
+  if (auto *VersionVal = mdconst::extract_or_null<ConstantInt>(
+          M.getModuleFlag("zos_product_major_version")))
+    return VersionVal->getValue().getZExtValue();
----------------
uweigand wrote:

I don't think you need the separate `getValue()` here any more.

Also, you should be making the change to use `mdconst` not only in this one 
place, but in all places where you use `getModuleFlag` to retrieve an integer 
constant.

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