[llvm] [HIPSTDPAR] Add handling for math builtins (PR #140158)

[Matt Arsenault via llvm-commits]

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@@ -37,6 +37,16 @@
 //    memory that ends up in one of the runtime equivalents, since this can
 //    happen if e.g. a library that was compiled without interposition returns
 //    an allocation that can be validly passed to `free`.
+//
+// 3. MathFixup (required): Some accelerators might have an incomplete
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arsenm wrote:

We really need to fix our whole library usage strategy (which I'm working on writing up how)

https://github.com/llvm/llvm-project/pull/140158