[llvm] [RemoveDIs] Fix spliceDebugInfo splice-to-end edge case (PR #105671)

[Orlando Cazalet-Hyams via llvm-commits]

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@@ -1525,4 +1525,58 @@ TEST(BasicBlockDbgInfoTest, DbgMoveToEnd) {
   EXPECT_FALSE(Ret->hasDbgRecords());
 }
 
+TEST(BasicBlockDbgInfoTest, DbgKnownSentinelCrash) {
+  return;
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OCHyams wrote:

Oops, yep, will do

https://github.com/llvm/llvm-project/pull/105671