[llvm] [DLCov 1/5] Add CMake option to enable enhanced line number coverage tracking (PR #107278)

[Stephen Tozer via llvm-commits]

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@@ -0,0 +1,69 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+;; Tests that we do not always overwrite 
+; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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SLTozer wrote:

I did not, my fault for `git add`ing a folder without checking my tree is clean...

https://github.com/llvm/llvm-project/pull/107278