# RUN: llvm-objcopy - %t < %p/Inputs/alloc-symtab.o
# RUN: llvm-objcopy %p/Inputs/alloc-symtab.o %t1
# RUN: cmp %t %t1

# RUN: llvm-objcopy %p/Inputs/alloc-symtab.o - > %t2
# RUN: cmp %t1 %t2