[PATCH] D87245: [LLD][ELF] Fix performance of MarkLive::scanEhFrameSection

Tue Sep 8 01:59:02 PDT 2020

andrewng marked an inline comment as done.
andrewng added a comment.

In D87245#2259958 <https://reviews.llvm.org/D87245#2259958>, @MaskRay wrote:

> Thanks for noting this issue! Were you profiling ld.lld?

We have a game link that was taking an unusually long time to link with our downstream linker when --gc-sections was enabled. So I ran this link through the profiler and it identified this function as the primary hot spot which led me to find this issue.

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https://reviews.llvm.org/D87245