diff --git a/lld/ELF/Symbols.cpp b/lld/ELF/Symbols.cpp
index 8b74725..e8ead0d 100644
--- a/lld/ELF/Symbols.cpp
+++ b/lld/ELF/Symbols.cpp
@@ -528,7 +528,13 @@
       return false;
   }
 
-  return isWeak() && !other.isWeak();
+  // Incoming STB_GLOBAL overrides STB_WEAK/STB_GNU_UNIQUE. -fgnu-unique changes
+  // some vague linkage data in COMDAT from STB_WEAK to STB_GNU_UNIQUE. Treat
+  // STB_GNU_UNIQUE like STB_WEAK so that we prefer the first among all
+  // STB_WEAK/STB_GNU_UNIQUE copies. If we prefer an incoming STB_GNU_UNIQUE to
+  // an existing STB_WEAK, there may be discarded section errors because the
+  // selected copy may be in a non-prevailing COMDAT.
+  return !isGlobal() && other.isGlobal();
 }
 
 void elf::reportDuplicate(const Symbol &sym, InputFile *newFile,