ld/testsuite/ld-arm/attr-merge-arch-2b.s

   1         .eabi_attribute 6, 0  @Tag_CPU_arch, 0 means pre-v4.
   2         .file   "f.c"
   3         .text
   4         .align  2
   5         .global foo
   6         .type   foo, %function
   7         .thumb_func
   8 foo:
   9         bx      lr