# RUN: echo "" | not yaml2obj 2>&1 | FileCheck %s
# RUN: echo -n "" | not yaml2obj 2>&1 | FileCheck %s
# RUN: echo " " | not yaml2obj 2>&1 | FileCheck %s
# RUN: echo "  " | not yaml2obj 2>&1 | FileCheck %s
# CHECK: yaml2obj: Error opening '-': Empty File.