[llvm] [DebugInfo] Preserve line and column number when merging debug info. (PR #129960)

[Jeremy Morse via llvm-commits]

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@@ -0,0 +1,65 @@
+; RUN: opt %s -passes=simplifycfg -hoist-common-insts -preserve-merged-debug-info -S | FileCheck %s
+; CHECK: tail call i32 @bar{{.*!dbg !}}[[TAG:[0-9]+]]
+; CHECK: ![[TAG]] = !DILocation(line: 9, column: 16, scope: !9) 
+
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jmorse wrote:

A file-level comment recording the intention of this test will assist future developers who cause this test to fail.

https://github.com/llvm/llvm-project/pull/129960