[llvm] [polly] Slightly improve the getenv("bar") linking problem (PR #150020)

[Nikita Popov via llvm-commits]

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@@ -27,7 +27,7 @@ namespace {
       // This is so that globals in the translation units where these functions
       // are defined are forced to be initialized, populating various
       // registries.
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nikic wrote:

Update the comment to no longer talk about getenv? That's a detail of getNonFoldableAlwaysTrue now.

https://github.com/llvm/llvm-project/pull/150020