[llvm] [BOLT][AArch64] Fixes assertion errors occurred when perf2bolt was executed (PR #83394)

[Paschalis Mpeis via llvm-commits]

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@@ -0,0 +1,107 @@
+// Test how BOLT handles indirect branch sequence of instructions in
+// AArch64MCPlus builder.
+// This test checks that case when we have no shift amount after add
+// instruction. This pattern comes from libc, so needs to build '-static'
+// binary to reproduce the issue easily.
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paschalis-mpeis wrote:

nit: maybe adjust a bit these comments from the previous c test.

https://github.com/llvm/llvm-project/pull/83394