diff options
Diffstat (limited to 'lib/Linker/LinkModules.cpp')
| -rw-r--r-- | lib/Linker/LinkModules.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Linker/LinkModules.cpp b/lib/Linker/LinkModules.cpp index 53fce4893f..3d6e52602b 100644 --- a/lib/Linker/LinkModules.cpp +++ b/lib/Linker/LinkModules.cpp @@ -659,6 +659,11 @@ static bool LinkAlias(Module *Dest, const Module *Src, // The only allowed way is to link alias with external declaration. if (DGV->isDeclaration()) { + // But only if aliasee is global too... + if (!isa<GlobalVariable>(DAliasee)) + return Error(Err, "Global-Alias Collision on '" + SGA->getName() + + "': aliasee is not global variable"); + NewGA = new GlobalAlias(SGA->getType(), SGA->getLinkage(), SGA->getName(), DAliasee, Dest); CopyGVAttributes(NewGA, SGA); @@ -685,6 +690,11 @@ static bool LinkAlias(Module *Dest, const Module *Src, // The only allowed way is to link alias with external declaration. if (DF->isDeclaration()) { + // But only if aliasee is function too... + if (!isa<Function>(DAliasee)) + return Error(Err, "Function-Alias Collision on '" + SGA->getName() + + "': aliasee is not function"); + NewGA = new GlobalAlias(SGA->getType(), SGA->getLinkage(), SGA->getName(), DAliasee, Dest); CopyGVAttributes(NewGA, SGA); |