commit cb12249238f063038b58cfb3d724a4ed010e83ef
author Eugene Leviant <eleviant@accesssoftek.com> Fri Dec 15 16:27:33 2017 +0000
committer Eugene Leviant <eleviant@accesssoftek.com> Fri Dec 15 16:27:33 2017 +0000
tree 74d6400c30b9a7f6ad287ed5fcdc461b84415c7f
parent ad9221d68465c8b7c6f59c56d4c02ec0682113a4

[ThinLTO] Disallow multiple prevailing defs

https://reviews.llvm.org/D41291

llvm-svn: 320825

llvm/lib/LTO/LTO.cpp

diff --git a/llvm/lib/LTO/LTO.cpp b/llvm/lib/LTO/LTO.cpp
index d6b50f5..69a6967 100644
--- a/llvm/lib/LTO/LTO.cpp
+++ b/llvm/lib/LTO/LTO.cpp
@@ -417,8 +417,8 @@
     auto &GlobalRes = GlobalResolutions[Sym.getName()];
     GlobalRes.UnnamedAddr &= Sym.isUnnamedAddr();
     if (Res.Prevailing) {
-      assert((GlobalRes.IRName.empty() || !Sym.getIRName().empty()) &&
-             "Overriding existing resolution with undefined asm symbol");
+      assert(GlobalRes.IRName.empty() &&
+             "Multiple prevailing defs are not allowed");
       GlobalRes.IRName = Sym.getIRName();
     }