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Changes

Changes from Git (git https://github.com/llvm/llvm-project.git)

Summary

  1. [Test] More tests where IndVars fails to eliminate a range check (details)
  2. [flang] Convert release notes to markdown (details)
Commit 046f2402025c2ac93c1efc02acd60c5222e052f7 by mkazantsev
[Test] More tests where IndVars fails to eliminate a range check
The file was modifiedllvm/test/Transforms/IndVarSimplify/monotonic_checks.ll
Commit 69230e75f120141979248becac30ceaca4ab2e87 by richard.barton
[flang] Convert release notes to markdown

Switch ReleaseNotes from .rst to .md to match the other docs.

At the same time, fix the version number for master.
The file was addedflang/docs/ReleaseNotes.md
The file was removedflang/docs/ReleaseNotes.rst