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LTOCodeGenerator: handle correctly "unnamed" symbol 

This should fix the assertions in a clang LTO bootstrap we're seeing.

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 268658
This commit is contained in:
Mehdi Amini 2016-05-05 18:14:55 +00:00
parent 0e881d61c1
commit 2ee1874aa8
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/LTO/LTOCodeGenerator.cpp
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@ -364,7 +364,7 @@ static void preserveDiscardableGVs(
}
llvm::Type *i8PTy = llvm::Type::getInt8PtrTy(TheModule.getContext());
auto mayPreserveGlobal = [&](GlobalValue &GV) {
if (!GV.isDiscardableIfUnused() || GV.isDeclaration())
if (!GV.isDiscardableIfUnused() || GV.isDeclaration() || !GV.hasName())
return;
if (!mustPreserveGV(GV))
return;