[all-commits] [llvm/llvm-project] 299744: [ELF] Support discarding .got.plt

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2997441b85c0ec94425e83316d7e63c32d8c5770
      https://github.com/llvm/llvm-project/commit/2997441b85c0ec94425e83316d7e63c32d8c5770
  Author: Fangrui Song <i at maskray.me>
  Date:   2021-11-19 (Fri, 19 Nov 2021)

  Changed paths:
    M lld/ELF/SyntheticSections.cpp
    A lld/test/ELF/linkerscript/discard-plt.s

  Log Message:
  -----------
  [ELF] Support discarding .got.plt

Fix a null pointer dereference when .got.plt is discarded.

This also adds a test for discarding `.plt`.

Reviewed By: ikudrin

Differential Revision: https://reviews.llvm.org/D114180