diff options
Diffstat (limited to 'clang/lib/CodeGen/CodeGenModule.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenModule.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp index 89d177f..d997a79 100644 --- a/clang/lib/CodeGen/CodeGenModule.cpp +++ b/clang/lib/CodeGen/CodeGenModule.cpp @@ -775,7 +775,12 @@ void CodeGenModule::SetFunctionAttributes(GlobalDecl GD, if (!IsIncompleteFunction) SetLLVMFunctionAttributes(FD, getTypes().arrangeGlobalDeclaration(GD), F); - if (getCXXABI().HasThisReturn(GD)) { + // Add the Returned attribute for "this", except for iOS 5 and earlier + // where substantial code, including the libstdc++ dylib, was compiled with + // GCC and does not actually return "this". + if (getCXXABI().HasThisReturn(GD) && + !(getTarget().getTriple().isiOS() && + getTarget().getTriple().isOSVersionLT(6))) { assert(!F->arg_empty() && F->arg_begin()->getType() ->canLosslesslyBitCastTo(F->getReturnType()) && |