[llvm] [llvm-objcopy] --change-section-lma: skip segments with no assigned address (PR #218414)

[James Henderson via llvm-commits]

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jh7370 wrote:

+1 to this. It's perfectly legitimate to place a PT_LOAD at address 0, for example in a system where the loader dynamically relocates the image.

https://github.com/llvm/llvm-project/pull/218414