Update gcmole to a more recent clang/llvm.

tools/gcmole/bootstrap.sh

 #!/usr/bin/env bash
 
 # Copyright 2013 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
 #       with the distribution.
 #     * Neither the name of Google Inc. nor the names of its
 #       contributors may be used to endorse or promote products derived
 #       from this software without specific prior written permission.
 #
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# This script will build libgcmole.so.
+# This script will build libgcmole.so. Building a recent clang needs a
+# recent GCC, so if you explicitly want to use GCC 4.8, use:
+#
+#    CC=gcc-4.8 CPP=cpp-4.8 CXX=g++-4.8 CXXFLAGS=-static-libstdc++ CXXCPP=cpp-4.8 ./bootstrap.sh
 
-CLANG_RELEASE=2.9
+CLANG_RELEASE=3.5
 
 THIS_DIR="$(dirname "${0}")"
 LLVM_DIR="${THIS_DIR}/../../third_party/llvm"
 CLANG_DIR="${LLVM_DIR}/tools/clang"
 
 LLVM_REPO_URL=${LLVM_URL:-https://llvm.org/svn/llvm-project}
 
 # Die if any command dies.
 set -e
 
@@ skipping 60 matching lines @@
       --without-llvmgcc \
       --without-llvmgxx
 fi
 
 MACOSX_DEPLOYMENT_TARGET=10.5 make -j"${NUM_JOBS}"
 STRIP_FLAGS=
 if [ "${OS}" = "Darwin" ]; then
   # See http://crbug.com/256342
   STRIP_FLAGS=-x
 fi
-strip ${STRIP_FLAGS} Release/bin/clang
+strip ${STRIP_FLAGS} Release+Asserts/bin/clang
 cd -
 
 # Build libgcmole.so
 make -C "${THIS_DIR}" clean
 make -C "${THIS_DIR}" LLVM_SRC_ROOT="${LLVM_DIR}" libgcmole.so
 
 set +x
 
 echo
 echo You can now run gcmole using this command:
 echo
-echo CLANG_BIN=\"third_party/llvm/Release/bin\" lua tools/gcmole/gcmole.lua
+echo CLANG_BIN=\"third_party/llvm/Release+Asserts/bin\" lua tools/gcmole/gcmole.lua
 echo