[llvm] [CFI] Fix Direct Call Issues in CFI Dispatch Table (PR #69663)

[Oskar Wirga via llvm-commits]

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@@ -1471,6 +1471,11 @@ void LowerTypeTestsModule::createJumpTable(
   SmallVector<Value *, 16> AsmArgs;
   AsmArgs.reserve(Functions.size() * 2);
 
+  // Check if the first entry has the NoUnwind attribute.
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oskarwirga wrote:

You raise a good point and my understanding of this issue specifically crops up when these `cfi.jumptable` functions are replaced as direct calls. AFAIK there won't be direct call replacements for dispatch tables greater than size 1, but I would like to double check to confirm this. 

https://github.com/llvm/llvm-project/pull/69663