[clang] [llvm] Add support for flag output operand "=@cc" for SystemZ. (PR #125970)

[Ulrich Weigand via llvm-commits]

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@@ -24,6 +24,7 @@
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Intrinsics.h"
 #include "llvm/IR/IntrinsicsS390.h"
+#include "llvm/IR/PatternMatch.h"
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uweigand wrote:

Is this really still necessary?

https://github.com/llvm/llvm-project/pull/125970