[clang] [clang][ssaf] Implement Entity Linker CLI and patching for JSON Format (PR #184713)

[Balázs Benics via cfe-commits]

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@@ -0,0 +1,20 @@
+// Test the --verbose/-v flag of ssaf-linker.
+
+// RUN: rm -rf %t
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steakhal wrote:

```suggestion
// RUN: rm -rf %t
```

https://github.com/llvm/llvm-project/pull/184713