[llvm] [SPIRV] Fix code quality issues. (PR #152005)

[Nathan Gauër via llvm-commits]

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@@ -101,6 +106,9 @@ class ConvergenceRegionInfo {
 
   ~ConvergenceRegionInfo() { releaseMemory(); }
 
+  ConvergenceRegionInfo(const ConvergenceRegionInfo &LHS) = default;
+  ConvergenceRegionInfo &operator=(const ConvergenceRegionInfo &LHS) = default;
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Keenuts wrote:

I don't think we want this. Since the move ctor has been declared, the copy ctor has been implicitly deleted. Which is IMO a good thing since we don't want to have copies of the TopLevelRegion.
Now we can make it explicit by marking both as `delete`.

https://github.com/llvm/llvm-project/pull/152005