Properly guard the known-bug check introduced in 9254. Skip it if there isn't a bitcode file (e.g., if we are using the assembler, or just linking in a .o file to make a nexe).
Properly guard the known-bug check introduced in 9254. Skip it if there
isn't a bitcode file (e.g., if we are using the assembler, or just linking in
a .o file to make a nexe).

BUG= none
TEST= pnacl_generate_pexe=0 run_top_of_sandbox_test

Review URL: https://chromiumcodereview.appspot.com/10821038

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@9267 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client,nacl-webkit/native_client