[llvm] [AArch64] Bugfix when using execute-only and memtag sanitizer together (PR #133084)

[Paul Walker via llvm-commits]

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@@ -511,11 +511,17 @@ void AArch64TargetELFStreamer::finish() {
       })) {
     auto *Text =
         static_cast<MCSectionELF *>(Ctx.getObjectFileInfo()->getTextSection());
-    for (auto &F : *Text)
-      if (auto *DF = dyn_cast<MCDataFragment>(&F))
-        if (!DF->getContents().empty())
-          return;
-    Text->setFlags(Text->getFlags() | ELF::SHF_AARCH64_PURECODE);
+    bool Empty = true;
+    for (auto &F : *Text) {
+      if (auto *DF = dyn_cast<MCDataFragment>(&F)) {
+        if (!DF->getContents().empty()) {
+          Empty = false;
+          break;
+        }
+      }
+    }
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paulwalker-arm wrote:

Can you use something like `all_of(*Text, [](***) {return DF->getContents().empty();}` here?

https://github.com/llvm/llvm-project/pull/133084