warn, as gcc does, if __attribute__((malloc)) applied to function returning non-pointer type
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78542 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp
index 2f86fe1..9d1b084 100644
--- a/lib/Sema/SemaDeclAttr.cpp
+++ b/lib/Sema/SemaDeclAttr.cpp
@@ -437,6 +437,13 @@
return;
}
+ if (FunctionDecl *FD = dyn_cast<FunctionDecl>(d)) {
+ if (!FD->getResultType()->isPointerType()) {
+ S.Diag(Attr.getLoc(), diag::warn_attribute_malloc_pointer_only);
+ return;
+ }
+ }
+
d->addAttr(::new (S.Context) MallocAttr());
}