[JITLink] Add a test for zero-filled content.

Also updates RuntimeDyldChecker and llvm-rtdyld to support zero-fill tests by
returning a content address of zero (but no error) for zero-fill atoms, and
treating loads from zero as returning zero.

llvm-svn: 360547

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/ExecutionEngine/JITLink/MachOAtomGraphBuilder.h b/llvm/lib/ExecutionEngine/JITLink/MachOAtomGraphBuilder.h
index ce6a65b11ea..72d441b24d0 100644
--- a/llvm/lib/ExecutionEngine/JITLink/MachOAtomGraphBuilder.h
+++ b/llvm/lib/ExecutionEngine/JITLink/MachOAtomGraphBuilder.h
@@ -62,7 +62,7 @@ protected:
     }
 
     MachOSection &setZeroFill(uint64_t Size) {
-      assert(!ContentPtr && !Size && "Content/zeroFill already set");
+      assert(!ContentPtr && !this->Size && "Content/zeroFill already set");
       this->Size = Size;
       return *this;
     }