[compiler-rt] [llvm] [AIX] PGO codegen changes for function-sections. (PR #139761)

[Wael Yehia via llvm-commits]

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@@ -2458,6 +2458,25 @@ MCSection *TargetLoweringObjectFileXCOFF::getExplicitSectionGlobal(
   else
     report_fatal_error("XCOFF other section types not yet implemented.");
 
+  // The profiling instrumentation symbols are special in that we want to
+  // emit a unique CSECT for each when function sections are enabeld, which
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w2yehia wrote:

enabled

https://github.com/llvm/llvm-project/pull/139761