[llvm] [ctxprof] don't inline weak symbols after instrumentation (PR #128811)

[Teresa Johnson via llvm-commits]

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@@ -550,6 +550,13 @@ class GlobalValue : public Constant {
     return isDiscardableIfUnused(getLinkage());
   }
 
+  // the symbol in this module may be replaced by a prevailing copy.
+  bool mayBeReplacedByPrevailingCopy() const {
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teresajohnson wrote:

Can you just use isWeakForLinker?

https://github.com/llvm/llvm-project/pull/128811