[llvm] Enable exp10 libcall on linux (PR #68736)

[Matt Arsenault via llvm-commits]

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@@ -557,17 +557,12 @@ static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
     }
     break;
   case Triple::Linux:
-    // exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely
-    // buggy prior to glibc version 2.18. Until this version is widely deployed
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arsenm wrote:

You dropped the part that mentioned the version 

https://github.com/llvm/llvm-project/pull/68736