linux: StackTrace test isn't expected to work in Release builds anymore

base/debug_util_unittest.cc

 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <sstream>
 #include <string>
 
 #include "base/debug_util.h"
 #include "base/logging.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 TEST(StackTrace, OutputToStream) {
   StackTrace trace;
 
   // Dump the trace into a string.
   std::ostringstream os;
   trace.OutputToStream(&os);
   std::string backtrace_message = os.str();
 
+#if defined(OS_LINUX) && NDEBUG
+  // Stack traces require an extra data table that bloats our binaries,
+  // so they're turned off for release builds.  We stop the test here,
+  // at least letting us verify that the calls don't crash.
+  return;
+#endif  // defined(OS_LINUX) && NDEBUG
+
   size_t frames_found = 0;
   trace.Addresses(&frames_found);
   ASSERT_GE(frames_found, 5u) <<
       "No stack frames found.  Skipping rest of test.";
 
   // Check if the output has symbol initialization warning.  If it does, fail.
   ASSERT_EQ(backtrace_message.find("Dumping unresolved backtrace"),
             std::string::npos) <<
       "Unable to resolve symbols.  Skipping rest of test.";
 
@@ skipping 41 matching lines @@
 
   // Expect to find this function as well.
   // Note: This will fail if not linked with -rdynamic (aka -export_dynamic)
   EXPECT_TRUE(backtrace_message.find(__func__) != std::string::npos)
       << "Expected to find " << __func__ << " in backtrace:\n"
       << backtrace_message;
 
 #endif  // define(OS_MACOSX)
 #endif
 }