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Fix incorrect linker behaviour: we shouldn't resolve weak aliases.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55997 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2008-09-09 18:23:48 +00:00
parent bff66b0c6c
commit 832b2a9cd8
3 changed files with 15 additions and 5 deletions
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4
lib/Linker/LinkModules.cpp
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@@ -1169,8 +1169,8 @@ static bool LinkAppendingVars(Module *M,
static bool ResolveAliases(Module *Dest) {
for (Module::alias_iterator I = Dest->alias_begin(), E = Dest->alias_end();
I != E; ++I)
if (const GlobalValue *GV = I->resolveAliasedGlobal())
if (!GV->isDeclaration())
if (const GlobalValue *GV = I->resolveAliasedGlobal(/*traverseWeak*/ false))
if (GV != I && !GV->isDeclaration())
I->replaceAllUsesWith(const_cast<GlobalValue*>(GV));
return false;