[all-commits] [llvm/llvm-project] bbdf5c: [flang][driver] Fix opt-level option parsing

[Andrzej Warzyński via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bbdf5c37e38e172228963fed8ebc3c37d940ede1
      https://github.com/llvm/llvm-project/commit/bbdf5c37e38e172228963fed8ebc3c37d940ede1
  Author: Andrzej Warzynski <andrzej.warzynski at arm.com>
  Date:   2022-07-20 (Wed, 20 Jul 2022)

  Changed paths:
    M flang/lib/Frontend/CompilerInvocation.cpp
    M flang/test/Driver/default-optimization-pipelines.f90

  Log Message:
  -----------
  [flang][driver] Fix opt-level option parsing

This update makes sure that `flang-new -O2 -O0` will run at `-O0` rather
than `-O2`.

This bug was identified and originally fixed by Vyacheslav Zakharin in
https://reviews.llvm.org/D130035. I've extracted the fix into a separate
patch.

co-authored by: Vyacheslav Zakharin <vyacheslav.p.zakharin at intel.com>

Differential Revision: https://reviews.llvm.org/D130104