[llvm] [BOLT][AArch64] Provide createDummyReturnFunction (PR #96626)

[Amir Ayupov via llvm-commits]

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@@ -0,0 +1,13 @@
+// Tests that AArch64 is able to instrument static binaries in relocation mode,
+// by checking that '__bolt_fini_trampoline' is generated and contains a 'ret'
+// instruction.
+
+REQUIRES: system-linux
+
+RUN: %clang %p/../Inputs/main.c -o %t -Wl,-q -static
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aaupov wrote:

```suggestion
RUN: %clang %cflags %p/../Inputs/main.c -o %t -Wl,-q -static
```

https://github.com/llvm/llvm-project/pull/96626