[clang] [llvm] [PowerPC] Support -fpatchable-function-entry (PR #92997)

[Fangrui Song via llvm-commits]

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@@ -6681,7 +6681,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
     StringRef S0 = A->getValue(), S = S0;
     unsigned Size, Offset = 0;
     if (!Triple.isAArch64() && !Triple.isLoongArch() && !Triple.isRISCV() &&
-        !Triple.isX86())
+        !Triple.isX86() &&
+        !(!Triple.isOSAIX() && (Triple.getArch() == llvm::Triple::ppc ||
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MaskRay wrote:

little-endian variants (ppcle ppc64le) are omitted here.

Use `isPPC`

https://github.com/llvm/llvm-project/pull/92997