tree 2a9c140dc3166ebc22527373169734a9fa841582
parent 4fce647a5bcb61680c9f865b05c9f43a4841b244
author Elliott Hughes <enh@google.com> 1500940391 -0700
committer Elliott Hughes <enh@google.com> 1501008873 -0700

Build crtbegin with clang too.

If _start_main is static, clang optimizes it out and then generates an
undefined reference from the inline assembler, so let's explicitly tell
the compiler it's used.

Bug: N/A
Test: ran tests
Change-Id: Iba3d9c63abae9a0dc32f236b01783515f0190956