Add -strip-dead-prototypes to PNaCl pass list to appease intrinsic verifier.
Add -strip-dead-prototypes to PNaCl pass list to appease intrinsic verifier.

Otherwise, when optimizations are turned off, va_args-related
intrinsic declarations are left around even though
-expand-varargs makes them unneeded.

Alternatively, the -expand-varargs pass could hunt down the
dead prototypes on its own.

BUG=https://code.google.com/p/nativeclient/issues/detail?id=3378
R=eliben@chromium.org

Review URL: https://codereview.chromium.org/15035005

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@11308 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

Lind-Project/native_client,Lind-Project/native_client,Lind-Project/native_client,Lind-Project/native_client,Lind-Project/native_client,Lind-Project/native_client