[llvm] [llvm-profgen] Loading binary functions from .symtab when DWARF info is incomplete (PR #163654)

[via llvm-commits]

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@@ -820,6 +830,54 @@ void ProfiledBinary::populateSymbolAddressList(const ObjectFile *Obj) {
   }
 }
 
+void ProfiledBinary::populateSymbolsFromBinary(const ObjectFile *Obj) {
+  // Load binary functions from symbol table when Debug info is incomplete
+  const SmallVector<StringRef> Suffixes(
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WenleiHe wrote:

This does not need to cover .llvm, .unique, .part... etc? 

Add a comment to explain why we care about different suffixes? 

https://github.com/llvm/llvm-project/pull/163654