[llvm] [PowerPC] Spill non-volatile registers required for traceback table (PR #71115)

[Chen Zheng via llvm-commits]

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@@ -287,7 +287,7 @@ entry:
 
 @gS31 = external global %struct_S31, align 1
 
-define void @call_test_byval_mem4() {
+define void @call_test_byval_mem4() #0 {
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chenzheng1030 wrote:

unnecessary change?

https://github.com/llvm/llvm-project/pull/71115