diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/LTO/LTO.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/LTO/LTO.cpp b/llvm/lib/LTO/LTO.cpp index 9c737795b5a..d6b50f551d9 100644 --- a/llvm/lib/LTO/LTO.cpp +++ b/llvm/lib/LTO/LTO.cpp @@ -416,8 +416,11 @@ void LTO::addModuleToGlobalRes(ArrayRef<InputFile::Symbol> Syms, auto &GlobalRes = GlobalResolutions[Sym.getName()]; GlobalRes.UnnamedAddr &= Sym.isUnnamedAddr(); - if (Res.Prevailing) + if (Res.Prevailing) { + assert((GlobalRes.IRName.empty() || !Sym.getIRName().empty()) && + "Overriding existing resolution with undefined asm symbol"); GlobalRes.IRName = Sym.getIRName(); + } // Set the partition to external if we know it is re-defined by the linker // with -defsym or -wrap options, used elsewhere, e.g. it is visible to a |
