alx32 95d21f6015 [lld-macho] Reduce memory usage of printing thunks in map file (#122785) ...

This commit improves the memory efficiency of the lld-macho linker by
optimizing how thunks are printed in the map file. Previously, merging
vectors of input sections required creating a temporary vector, which
increased memory usage and in some cases caused the linker to run out of
memory as reported in comments on
https://github.com/llvm/llvm-project/pull/120496. The new approach
interleaves the printing of two arrays of ConcatInputSection in sorted
order without allocating additional memory for a merged array.

2025-01-15 22:58:24 -08:00

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