[lldb] [llvm] [NFC][DebugInfo] Make some block-start-position methods return iterators (PR #124287)

[Orlando Cazalet-Hyams via llvm-commits]

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@@ -408,9 +412,13 @@ BasicBlock::getFirstNonPHIOrDbgOrLifetime(bool SkipPseudoOp) const {
     if (SkipPseudoOp && isa<PseudoProbeInst>(I))
       continue;
 
-    return &I;
+    BasicBlock::const_iterator It = I.getIterator();
+    // Signal that this comes after any debug records.
+    It.setHeadBit(false);
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OCHyams wrote:

Same question again

https://github.com/llvm/llvm-project/pull/124287