commit e50af5bfd167c1d10e3d648ff7ca9a241ea17fc5
author Zequan Wu <zequanwu@google.com> Tue Mar 30 11:02:27 2021 -0700
committer Copybara-Service <copybara-worker@google.com> Mon Apr 12 11:33:13 2021 -0700
tree 304c287431a360206ef6f238e51366e0faaa247e
parent 353531378b8945b5f310358e7446146f91a8da33

[lld-link] Enable addrsig table in COFF lto

This allow safe-icf mode to work when linking with LTO.

Differential Revision: https://reviews.llvm.org/D99613

GitOrigin-RevId: eabd55b1b2c5e322c3b36cb44348f178692890c8

COFF/LTO.cpp

diff --git a/COFF/LTO.cpp b/COFF/LTO.cpp
index a47f66e..d117abf 100644
--- a/COFF/LTO.cpp
+++ b/COFF/LTO.cpp
@@ -62,6 +62,7 @@
 static lto::Config createConfig() {
   lto::Config c;
   c.Options = initTargetOptionsFromCodeGenFlags();
+  c.Options.EmitAddrsig = true;
 
   // Always emit a section per function/datum with LTO. LLVM LTO should get most
   // of the benefit of linker GC, but there are still opportunities for ICF.