Revert 282697 "Non-SFI NaCl: Fix browser_tests based on libc_free.c"

trunk/src/chrome/test/data/nacl/nacl_test_data.gyp

Index: trunk/src/chrome/test/data/nacl/nacl_test_data.gyp
===================================================================
--- trunk/src/chrome/test/data/nacl/nacl_test_data.gyp	(revision 282701)
+++ trunk/src/chrome/test/data/nacl/nacl_test_data.gyp	(working copy)
@@ -1139,11 +1139,6 @@
 
             # Stack-Smashing protector does not work with libc-free context.
             '-fno-stack-protector',
-            # Optimizers may translate the original code to code which
-            # requires builtin functions and/or relocations. Specifically,
-            # the LLVM's optimizer translates for-loop based zero
-            # clear to memset.
-            '-O0',
           ],
           'cflags!': [
             # We filter these out because release_extra_cflags or another
@@ -1153,14 +1148,10 @@
             '-fstack-protector-all',
             '-fprofile-generate',
             '-finstrument-functions',
-            '-O2',
           ],
           'ldflags': [
             '-nostdlib',
             '-shared',
-            # This binary cannot relocate itself, so we should have no
-            # undefined references left.
-            '-Wl,--no-undefined',
           ],
           'ldflags!': [
             # Explicitly remove the -pthread flag to avoid a link time warning.