[llvm] [Offload] Implement `olShutDown` (PR #144055)

[Joseph Huber via llvm-commits]

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@@ -130,6 +131,9 @@ constexpr ol_platform_backend_t pluginNameToBackend(StringRef Name) {
 #include "Shared/Targets.def"
 
 void initPlugins() {
+  PlatformList = new PlatformVecT();
+  AllocInfoMap = new AllocInfoMapT();
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jhuber6 wrote:

Yeah, I'm not really a fan of these weird singleton things at all. This is supposed to be a parallel library but nothing is set up to enable that from what I can see.

https://github.com/llvm/llvm-project/pull/144055