[llvm] [PowerPC][AIX] Emit PowerPC version for XCOFF (PR #95510)

[Chen Zheng via llvm-commits]

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@@ -145,7 +145,7 @@ Symbols:
 # SYMBOL64-NEXT:     Value (SymbolTableIndex): 0x0
 # SYMBOL64-NEXT:     Section: N_DEBUG
 # SYMBOL64-NEXT:     Source Language ID: TB_C (0x0)
-# SYMBOL64-NEXT:     CPU Version ID: 0x0
+# SYMBOL64-NEXT:     CPU Version ID: TCPU_INVALID (0x0)
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chenzheng1030 wrote:

Can we use a more meaningful default CPU version ID? `TCPU_INVALID` sounds not good to me. Maybe we can also use `TCPU_COM`

https://github.com/llvm/llvm-project/pull/95510