[clang] [flang] [libcxx] [llvm] [llvm-reduce]: print short form, actionable names in the log (PR #132813)

[Matt Arsenault via llvm-commits]

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@@ -164,24 +152,25 @@ static void runDeltaPassName(TestRunner &Tester, StringRef PassName) {
 
 void llvm::printDeltaPasses(raw_ostream &OS) {
   OS << "Delta passes (pass to `--delta-passes=` as a comma separated list):\n";
-#define DELTA_PASS(NAME, FUNC) OS << "  " << NAME << "\n";
   OS << " IR:\n";
-  DELTA_PASSES;
+  for (const DeltaPass &Pass : IR_Passes) {
+    OS << "  " << Pass.Name  << "\n";
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arsenm wrote:

```suggestion
    OS << "  " << Pass.Name  << '\n';
```

https://github.com/llvm/llvm-project/pull/132813