Disable --icf=safe to avoid a bug.

Thanks to Sameer Sahasrabuddhe for the report!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224123 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/cmake/modules/AddLLVM.cmake b/cmake/modules/AddLLVM.cmake
index 8be70a54d996441fdb57ddd60239b30fae1761de..c8f1083be1f6b4e556db81cb91291451b1ec62a7 100644 (file)
--- a/cmake/modules/AddLLVM.cmake
+++ b/cmake/modules/AddLLVM.cmake
@@ -161,7 +161,9 @@ function(add_link_opts target_name)
   if(LLVM_LINKER_IS_GOLD)
     # With gold gc-sections is always safe.
     set_property(TARGET ${target_name} APPEND_STRING PROPERTY
-                 LINK_FLAGS " -Wl,--gc-sections -Wl,--icf=safe")
+                 LINK_FLAGS " -Wl,--gc-sections")
+    # Note that there is a bug with -Wl,--icf=safe so it is not safe
+    # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704.
   endif()
 
   if(NOT LLVM_NO_DEAD_STRIP)