1RUN: not llvm-remarkutil size-diff %p/Inputs/empty-file.yaml %p/Inputs/1-func-2-instr-2-stack.yaml --parser=yaml 2>&1 | FileCheck %s 2RUN: not llvm-remarkutil size-diff %p/Inputs/1-func-2-instr-2-stack.yaml %p/Inputs/empty-file.yaml --parser=yaml 2>&1 | FileCheck %s 3 4; CHECK: error: document root is not of mapping type. 5