[llvm] [BPF] Handle traps with kfunc call __bpf_trap (PR #131731)

[via llvm-commits]

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@@ -22,6 +22,8 @@ class BPFTargetMachine;
 class InstructionSelector;
 class PassRegistry;
 
+static const char *BPF_TRAP = "__bpf_trap";
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yonghong-song wrote:

@RKSimon I could do the change. But can you let me know how to reproduce the warning? Maybe I missed some compilation flags?

https://github.com/llvm/llvm-project/pull/131731