diff options
Diffstat (limited to 'clang/lib/CodeGen/CodeGenModule.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenModule.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp index 8240f8d..2acb2ec 100644 --- a/clang/lib/CodeGen/CodeGenModule.cpp +++ b/clang/lib/CodeGen/CodeGenModule.cpp @@ -2100,6 +2100,10 @@ void CodeGenModule::EmitGlobalFunctionDefinition(GlobalDecl GD) { Entry = CE->getOperand(0); } + if (!cast<llvm::GlobalValue>(Entry)->isDeclaration()) { + getDiags().Report(D->getLocation(), diag::err_duplicate_mangled_name); + return; + } if (cast<llvm::GlobalValue>(Entry)->getType()->getElementType() != Ty) { llvm::GlobalValue *OldFn = cast<llvm::GlobalValue>(Entry); |