Revert 259371 "clang roll 198389:202554 reloaded"

trunk/src/tools/clang/scripts/update.sh

 #!/usr/bin/env bash
 # Copyright (c) 2012 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.
 
 # This script will check out llvm and clang into third_party/llvm and build it.
 
 # Do NOT CHANGE this if you don't know what you're doing -- see
 # https://code.google.com/p/chromium/wiki/UpdatingClang
 # Reverting problematic clang rolls is safe, though.
-CLANG_REVISION=202554
+CLANG_REVISION=198389
 
 THIS_DIR="$(dirname "${0}")"
 LLVM_DIR="${THIS_DIR}/../../../third_party/llvm"
 LLVM_BUILD_DIR="${LLVM_DIR}/../llvm-build"
 LLVM_BOOTSTRAP_DIR="${LLVM_DIR}/../llvm-bootstrap"
-LLVM_BOOTSTRAP_INSTALL_DIR="${LLVM_DIR}/../llvm-bootstrap-install"
 CLANG_DIR="${LLVM_DIR}/tools/clang"
 CLANG_TOOLS_EXTRA_DIR="${CLANG_DIR}/tools/extra"
 COMPILER_RT_DIR="${LLVM_DIR}/projects/compiler-rt"
-LIBCXX_DIR="${LLVM_DIR}/projects/libcxx"
 ANDROID_NDK_DIR="${LLVM_DIR}/../android_tools/ndk"
 STAMP_FILE="${LLVM_BUILD_DIR}/cr_build_revision"
 
 # Use both the clang revision and the plugin revisions to test for updates.
 BLINKGCPLUGIN_REVISION=\
 $(grep LIBRARYNAME "$THIS_DIR"/../blink_gc_plugin/Makefile \
     | cut -d '_' -f 2)
 CLANG_AND_PLUGINS_REVISION="${CLANG_REVISION}-${BLINKGCPLUGIN_REVISION}"
 
 # ${A:-a} returns $A if it's set, a else.
@@ skipping 222 matching lines @@
   svn co --force "${LLVM_REPO_URL}/llvm/trunk@${CLANG_REVISION}" "${LLVM_DIR}"
 fi
 
 echo Getting clang r"${CLANG_REVISION}" in "${CLANG_DIR}"
 svn co --force "${LLVM_REPO_URL}/cfe/trunk@${CLANG_REVISION}" "${CLANG_DIR}"
 
 echo Getting compiler-rt r"${CLANG_REVISION}" in "${COMPILER_RT_DIR}"
 svn co --force "${LLVM_REPO_URL}/compiler-rt/trunk@${CLANG_REVISION}" \
                "${COMPILER_RT_DIR}"
 
-# clang needs a libc++ checkout, else -stdlib=libc++ won't find includes
-# (i.e. this is needed for bootstrap builds).
-if [ "${OS}" = "Darwin" ]; then
-  echo Getting libc++ r"${CLANG_REVISION}" in "${LIBCXX_DIR}"
-  svn co --force "${LLVM_REPO_URL}/libcxx/trunk@${CLANG_REVISION}" \
-                 "${LIBCXX_DIR}"
-fi
-
-# Apply patch for test failing with --disable-pthreads (llvm.org/PR11974)
-cd "${CLANG_DIR}"
-svn revert test/Index/crash-recovery-modules.m
-cat << 'EOF' |
---- third_party/llvm/tools/clang/test/Index/crash-recovery-modules.m    (revision 202554)
-+++ third_party/llvm/tools/clang/test/Index/crash-recovery-modules.m    (working copy)
-@@ -12,6 +12,8 @@
- 
- // REQUIRES: crash-recovery
- // REQUIRES: shell
-+// XFAIL: *
-+//    (PR11974)
- 
- @import Crash;
-EOF
-patch -p4
-cd -
-
-# Temporary patches to make build on android work.
-# Merge LLVM r202793, r203601
-cd "${COMPILER_RT_DIR}"
-svn revert lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cc
-svn revert make/platform/clang_linux.mk
-cat << 'EOF' |
-Index: compiler-rt/trunk/lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cc
-===================================================================
---- compiler-rt/trunk/lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cc (original)
-+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cc Tue Mar 11 15:23:59 2014
-@@ -32,18 +32,10 @@
- // C++ demangling function, as required by Itanium C++ ABI. This is weak,
- // because we do not require a C++ ABI library to be linked to a program
- // using sanitizers; if it's not present, we'll just use the mangled name.
--//
--// On Android, this is not weak, because we are using shared runtime library
--// AND static libstdc++, and there is no good way to conditionally export
--// __cxa_demangle. By making this a non-weak symbol, we statically link
--// __cxa_demangle into ASan runtime library.
- namespace __cxxabiv1 {
--  extern "C"
--#if !SANITIZER_ANDROID
--  SANITIZER_WEAK_ATTRIBUTE
--#endif
--  char *__cxa_demangle(const char *mangled, char *buffer, size_t *length,
--                       int *status);
-+  extern "C" SANITIZER_WEAK_ATTRIBUTE
-+  char *__cxa_demangle(const char *mangled, char *buffer,
-+                                  size_t *length, int *status);
- }
-
- namespace __sanitizer {
-@@ -55,7 +47,7 @@ static const char *DemangleCXXABI(const
-   // own demangler (libc++abi's implementation could be adapted so that
-   // it does not allocate). For now, we just call it anyway, and we leak
-   // the returned value.
--  if (SANITIZER_ANDROID || &__cxxabiv1::__cxa_demangle)
-+  if (__cxxabiv1::__cxa_demangle)
-     if (const char *demangled_name =
-           __cxxabiv1::__cxa_demangle(name, 0, 0, 0))
-       return demangled_name;
-
-Index: compiler-rt/trunk/make/platform/clang_linux.mk
-===================================================================
---- compiler-rt/trunk/make/platform/clang_linux.mk (original)
-+++ compiler-rt/trunk/make/platform/clang_linux.mk Tue Mar  4 01:17:38 2014
-@@ -110,9 +110,10 @@ ANDROID_COMMON_FLAGS := -target arm-linu
-        --sysroot=$(LLVM_ANDROID_TOOLCHAIN_DIR)/sysroot \
-        -B$(LLVM_ANDROID_TOOLCHAIN_DIR)
- CFLAGS.asan-arm-android := $(CFLAGS) -fPIC -fno-builtin \
--       $(ANDROID_COMMON_FLAGS) -fno-rtti
-+       $(ANDROID_COMMON_FLAGS) -fno-rtti \
-+       -I$(ProjSrcRoot)/third_party/android/include
- LDFLAGS.asan-arm-android := $(LDFLAGS) $(ANDROID_COMMON_FLAGS) -ldl -lm -llog \
--       -Wl,-soname=libclang_rt.asan-arm-android.so -Wl,-z,defs
-+       -lstdc++ -Wl,-soname=libclang_rt.asan-arm-android.so -Wl,-z,defs
- 
- # Use our stub SDK as the sysroot to support more portable building. For now we
- # just do this for the core module, because the stub SDK doesn't have
-EOF
-patch -p2
-cd -
-
-# Merge LLVM r203635
-cd "${LLVM_DIR}"
-svn revert lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp
-svn revert test/CodeGen/ARM/debug-frame-large-stack.ll
-svn revert test/CodeGen/ARM/debug-frame-vararg.ll
-svn revert test/CodeGen/ARM/debug-frame.ll
-cat << 'EOF' |
-Index: lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp
-===================================================================
---- lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp
-+++ lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp
-@@ -54,4 +54,7 @@
-   UseParensForSymbolVariant = true;
- 
-   UseIntegratedAssembler = true;
-+
-+  // gas doesn't handle VFP register names in cfi directives.
-+  DwarfRegNumForCFI = true;
- }
-Index: test/CodeGen/ARM/debug-frame-large-stack.ll
-===================================================================
---- test/CodeGen/ARM/debug-frame-large-stack.ll
-+++ test/CodeGen/ARM/debug-frame-large-stack.ll
-@@ -42,8 +42,8 @@
- ; CHECK-ARM: .cfi_startproc
- ; CHECK-ARM: push    {r4, r5}
- ; CHECK-ARM: .cfi_def_cfa_offset 8
--; CHECK-ARM: .cfi_offset r5, -4
--; CHECK-ARM: .cfi_offset r4, -8
-+; CHECK-ARM: .cfi_offset 5, -4
-+; CHECK-ARM: .cfi_offset 4, -8
- ; CHECK-ARM: sub    sp, sp, #72
- ; CHECK-ARM: sub    sp, sp, #4096
- ; CHECK-ARM: .cfi_def_cfa_offset 4176
-@@ -54,7 +54,7 @@
- ; CHECK-ARM-FP_ELIM: push    {r4, r5}
- ; CHECK-ARM-FP_ELIM: .cfi_def_cfa_offset 8
- ; CHECK-ARM-FP_ELIM: .cfi_offset 54, -4
--; CHECK-ARM-FP_ELIM: .cfi_offset r4, -8
-+; CHECK-ARM-FP_ELIM: .cfi_offset 4, -8
- ; CHECK-ARM-FP_ELIM: sub    sp, sp, #72
- ; CHECK-ARM-FP_ELIM: sub    sp, sp, #4096
- ; CHECK-ARM-FP_ELIM: .cfi_def_cfa_offset 4176
-@@ -73,11 +73,11 @@
- ; CHECK-ARM: .cfi_startproc
- ; CHECK-ARM: push    {r4, r5, r11}
- ; CHECK-ARM: .cfi_def_cfa_offset 12
--; CHECK-ARM: .cfi_offset r11, -4
--; CHECK-ARM: .cfi_offset r5, -8
--; CHECK-ARM: .cfi_offset r4, -12
-+; CHECK-ARM: .cfi_offset 11, -4
-+; CHECK-ARM: .cfi_offset 5, -8
-+; CHECK-ARM: .cfi_offset 4, -12
- ; CHECK-ARM: add    r11, sp, #8
--; CHECK-ARM: .cfi_def_cfa r11, 4
-+; CHECK-ARM: .cfi_def_cfa 11, 4
- ; CHECK-ARM: sub    sp, sp, #20
- ; CHECK-ARM: sub    sp, sp, #805306368
- ; CHECK-ARM: bic    sp, sp, #15
-@@ -87,11 +87,11 @@
- ; CHECK-ARM-FP-ELIM: .cfi_startproc
- ; CHECK-ARM-FP-ELIM: push    {r4, r5, r11}
- ; CHECK-ARM-FP-ELIM: .cfi_def_cfa_offset 12
--; CHECK-ARM-FP-ELIM: .cfi_offset r11, -4
--; CHECK-ARM-FP-ELIM: .cfi_offset r5, -8
--; CHECK-ARM-FP-ELIM: .cfi_offset r4, -12
-+; CHECK-ARM-FP-ELIM: .cfi_offset 11, -4
-+; CHECK-ARM-FP-ELIM: .cfi_offset 5, -8
-+; CHECK-ARM-FP-ELIM: .cfi_offset 4, -12
- ; CHECK-ARM-FP-ELIM: add    r11, sp, #8
--; CHECK-ARM-FP-ELIM: .cfi_def_cfa r11, 4
-+; CHECK-ARM-FP-ELIM: .cfi_def_cfa 11, 4
- ; CHECK-ARM-FP-ELIM: sub    sp, sp, #20
- ; CHECK-ARM-FP-ELIM: sub    sp, sp, #805306368
- ; CHECK-ARM-FP-ELIM: bic    sp, sp, #15
-Index: test/CodeGen/ARM/debug-frame-vararg.ll
-===================================================================
---- test/CodeGen/ARM/debug-frame-vararg.ll
-+++ test/CodeGen/ARM/debug-frame-vararg.ll
-@@ -66,8 +66,8 @@
- ; CHECK-FP: .cfi_def_cfa_offset 16
- ; CHECK-FP: push   {r4, lr}
- ; CHECK-FP: .cfi_def_cfa_offset 24
--; CHECK-FP: .cfi_offset lr, -20
--; CHECK-FP: .cfi_offset r4, -24
-+; CHECK-FP: .cfi_offset 14, -20
-+; CHECK-FP: .cfi_offset 4, -24
- ; CHECK-FP: sub    sp, sp, #8
- ; CHECK-FP: .cfi_def_cfa_offset 32
- 
-@@ -77,22 +77,22 @@
- ; CHECK-FP-ELIM: .cfi_def_cfa_offset 16
- ; CHECK-FP-ELIM: push   {r4, r11, lr}
- ; CHECK-FP-ELIM: .cfi_def_cfa_offset 28
--; CHECK-FP-ELIM: .cfi_offset lr, -20
--; CHECK-FP-ELIM: .cfi_offset r11, -24
--; CHECK-FP-ELIM: .cfi_offset r4, -28
-+; CHECK-FP-ELIM: .cfi_offset 14, -20
-+; CHECK-FP-ELIM: .cfi_offset 11, -24
-+; CHECK-FP-ELIM: .cfi_offset 4, -28
- ; CHECK-FP-ELIM: add    r11, sp, #4
--; CHECK-FP-ELIM: .cfi_def_cfa r11, 24
-+; CHECK-FP-ELIM: .cfi_def_cfa 11, 24
- 
- ; CHECK-THUMB-FP-LABEL: sum
- ; CHECK-THUMB-FP: .cfi_startproc
- ; CHECK-THUMB-FP: sub    sp, #16
- ; CHECK-THUMB-FP: .cfi_def_cfa_offset 16
- ; CHECK-THUMB-FP: push   {r4, r5, r7, lr}
- ; CHECK-THUMB-FP: .cfi_def_cfa_offset 32
--; CHECK-THUMB-FP: .cfi_offset lr, -20
--; CHECK-THUMB-FP: .cfi_offset r7, -24
--; CHECK-THUMB-FP: .cfi_offset r5, -28
--; CHECK-THUMB-FP: .cfi_offset r4, -32
-+; CHECK-THUMB-FP: .cfi_offset 14, -20
-+; CHECK-THUMB-FP: .cfi_offset 7, -24
-+; CHECK-THUMB-FP: .cfi_offset 5, -28
-+; CHECK-THUMB-FP: .cfi_offset 4, -32
- ; CHECK-THUMB-FP: sub    sp, #8
- ; CHECK-THUMB-FP: .cfi_def_cfa_offset 40
- 
-@@ -102,12 +102,12 @@
- ; CHECK-THUMB-FP-ELIM: .cfi_def_cfa_offset 16
- ; CHECK-THUMB-FP-ELIM: push   {r4, r5, r7, lr}
- ; CHECK-THUMB-FP-ELIM: .cfi_def_cfa_offset 32
--; CHECK-THUMB-FP-ELIM: .cfi_offset lr, -20
--; CHECK-THUMB-FP-ELIM: .cfi_offset r7, -24
--; CHECK-THUMB-FP-ELIM: .cfi_offset r5, -28
--; CHECK-THUMB-FP-ELIM: .cfi_offset r4, -32
-+; CHECK-THUMB-FP-ELIM: .cfi_offset 14, -20
-+; CHECK-THUMB-FP-ELIM: .cfi_offset 7, -24
-+; CHECK-THUMB-FP-ELIM: .cfi_offset 5, -28
-+; CHECK-THUMB-FP-ELIM: .cfi_offset 4, -32
- ; CHECK-THUMB-FP-ELIM: add    r7, sp, #8
--; CHECK-THUMB-FP-ELIM: .cfi_def_cfa r7, 24
-+; CHECK-THUMB-FP-ELIM: .cfi_def_cfa 7, 24
- 
- define i32 @sum(i32 %count, ...) {
- entry:
-Index: test/CodeGen/ARM/debug-frame.ll
-===================================================================
---- test/CodeGen/ARM/debug-frame.ll
-+++ test/CodeGen/ARM/debug-frame.ll
-@@ -163,131 +163,131 @@
- ; CHECK-FP:   .cfi_startproc
- ; CHECK-FP:   push   {r4, r5, r6, r7, r8, r9, r10, r11, lr}
- ; CHECK-FP:   .cfi_def_cfa_offset 36
--; CHECK-FP:   .cfi_offset lr, -4
--; CHECK-FP:   .cfi_offset r11, -8
--; CHECK-FP:   .cfi_offset r10, -12
--; CHECK-FP:   .cfi_offset r9, -16
--; CHECK-FP:   .cfi_offset r8, -20
--; CHECK-FP:   .cfi_offset r7, -24
--; CHECK-FP:   .cfi_offset r6, -28
--; CHECK-FP:   .cfi_offset r5, -32
--; CHECK-FP:   .cfi_offset r4, -36
-+; CHECK-FP:   .cfi_offset 14, -4
-+; CHECK-FP:   .cfi_offset 11, -8
-+; CHECK-FP:   .cfi_offset 10, -12
-+; CHECK-FP:   .cfi_offset 9, -16
-+; CHECK-FP:   .cfi_offset 8, -20
-+; CHECK-FP:   .cfi_offset 7, -24
-+; CHECK-FP:   .cfi_offset 6, -28
-+; CHECK-FP:   .cfi_offset 5, -32
-+; CHECK-FP:   .cfi_offset 4, -36
- ; CHECK-FP:   add    r11, sp, #28
--; CHECK-FP:   .cfi_def_cfa r11, 8
-+; CHECK-FP:   .cfi_def_cfa 11, 8
- ; CHECK-FP:   sub    sp, sp, #28
- ; CHECK-FP:   .cfi_endproc
- 
- ; CHECK-FP-ELIM-LABEL: _Z4testiiiiiddddd:
- ; CHECK-FP-ELIM:   .cfi_startproc
- ; CHECK-FP-ELIM:   push  {r4, r5, r6, r7, r8, r9, r10, r11, lr}
- ; CHECK-FP-ELIM:   .cfi_def_cfa_offset 36
--; CHECK-FP-ELIM:   .cfi_offset lr, -4
--; CHECK-FP-ELIM:   .cfi_offset r11, -8
--; CHECK-FP-ELIM:   .cfi_offset r10, -12
--; CHECK-FP-ELIM:   .cfi_offset r9, -16
--; CHECK-FP-ELIM:   .cfi_offset r8, -20
--; CHECK-FP-ELIM:   .cfi_offset r7, -24
--; CHECK-FP-ELIM:   .cfi_offset r6, -28
--; CHECK-FP-ELIM:   .cfi_offset r5, -32
--; CHECK-FP-ELIM:   .cfi_offset r4, -36
-+; CHECK-FP-ELIM:   .cfi_offset 14, -4
-+; CHECK-FP-ELIM:   .cfi_offset 11, -8
-+; CHECK-FP-ELIM:   .cfi_offset 10, -12
-+; CHECK-FP-ELIM:   .cfi_offset 9, -16
-+; CHECK-FP-ELIM:   .cfi_offset 8, -20
-+; CHECK-FP-ELIM:   .cfi_offset 7, -24
-+; CHECK-FP-ELIM:   .cfi_offset 6, -28
-+; CHECK-FP-ELIM:   .cfi_offset 5, -32
-+; CHECK-FP-ELIM:   .cfi_offset 4, -36
- ; CHECK-FP-ELIM:   sub   sp, sp, #28
- ; CHECK-FP-ELIM:   .cfi_def_cfa_offset 64
- ; CHECK-FP-ELIM:   .cfi_endproc
- 
- ; CHECK-V7-FP-LABEL: _Z4testiiiiiddddd:
- ; CHECK-V7-FP:   .cfi_startproc
- ; CHECK-V7-FP:   push   {r4, r11, lr}
- ; CHECK-V7-FP:   .cfi_def_cfa_offset 12
--; CHECK-V7-FP:   .cfi_offset lr, -4
--; CHECK-V7-FP:   .cfi_offset r11, -8
--; CHECK-V7-FP:   .cfi_offset r4, -12
-+; CHECK-V7-FP:   .cfi_offset 14, -4
-+; CHECK-V7-FP:   .cfi_offset 11, -8
-+; CHECK-V7-FP:   .cfi_offset 4, -12
- ; CHECK-V7-FP:   add    r11, sp, #4
--; CHECK-V7-FP:   .cfi_def_cfa r11, 8
-+; CHECK-V7-FP:   .cfi_def_cfa 11, 8
- ; CHECK-V7-FP:   vpush  {d8, d9, d10, d11, d12}
--; CHECK-V7-FP:   .cfi_offset d12, -24
--; CHECK-V7-FP:   .cfi_offset d11, -32
--; CHECK-V7-FP:   .cfi_offset d10, -40
--; CHECK-V7-FP:   .cfi_offset d9, -48
--; CHECK-V7-FP:   .cfi_offset d8, -56
-+; CHECK-V7-FP:   .cfi_offset 268, -24
-+; CHECK-V7-FP:   .cfi_offset 267, -32
-+; CHECK-V7-FP:   .cfi_offset 266, -40
-+; CHECK-V7-FP:   .cfi_offset 265, -48
-+; CHECK-V7-FP:   .cfi_offset 264, -56
- ; CHECK-V7-FP:   sub    sp, sp, #28
- ; CHECK-V7-FP:   .cfi_endproc
- 
- ; CHECK-V7-FP-ELIM-LABEL: _Z4testiiiiiddddd:
- ; CHECK-V7-FP-ELIM:   .cfi_startproc
- ; CHECK-V7-FP-ELIM:   push   {r4, lr}
- ; CHECK-V7-FP-ELIM:   .cfi_def_cfa_offset 8
--; CHECK-V7-FP-ELIM:   .cfi_offset lr, -4
--; CHECK-V7-FP-ELIM:   .cfi_offset r4, -8
-+; CHECK-V7-FP-ELIM:   .cfi_offset 14, -4
-+; CHECK-V7-FP-ELIM:   .cfi_offset 4, -8
- ; CHECK-V7-FP-ELIM:   vpush  {d8, d9, d10, d11, d12}
- ; CHECK-V7-FP-ELIM:   .cfi_def_cfa_offset 48
--; CHECK-V7-FP-ELIM:   .cfi_offset d12, -16
--; CHECK-V7-FP-ELIM:   .cfi_offset d11, -24
--; CHECK-V7-FP-ELIM:   .cfi_offset d10, -32
--; CHECK-V7-FP-ELIM:   .cfi_offset d9, -40
--; CHECK-V7-FP-ELIM:   .cfi_offset d8, -48
-+; CHECK-V7-FP-ELIM:   .cfi_offset 268, -16
-+; CHECK-V7-FP-ELIM:   .cfi_offset 267, -24
-+; CHECK-V7-FP-ELIM:   .cfi_offset 266, -32
-+; CHECK-V7-FP-ELIM:   .cfi_offset 265, -40
-+; CHECK-V7-FP-ELIM:   .cfi_offset 264, -48
- ; CHECK-V7-FP-ELIM:   sub    sp, sp, #24
- ; CHECK-V7-FP-ELIM:   .cfi_def_cfa_offset 72
- ; CHECK-V7-FP-ELIM:   .cfi_endproc
- 
- ; CHECK-THUMB-FP-LABEL: _Z4testiiiiiddddd:
- ; CHECK-THUMB-FP:   .cfi_startproc
- ; CHECK-THUMB-FP:   push   {r4, r5, r6, r7, lr}
- ; CHECK-THUMB-FP:   .cfi_def_cfa_offset 20
--; CHECK-THUMB-FP:   .cfi_offset lr, -4
--; CHECK-THUMB-FP:   .cfi_offset r7, -8
--; CHECK-THUMB-FP:   .cfi_offset r6, -12
--; CHECK-THUMB-FP:   .cfi_offset r5, -16
--; CHECK-THUMB-FP:   .cfi_offset r4, -20
-+; CHECK-THUMB-FP:   .cfi_offset 14, -4
-+; CHECK-THUMB-FP:   .cfi_offset 7, -8
-+; CHECK-THUMB-FP:   .cfi_offset 6, -12
-+; CHECK-THUMB-FP:   .cfi_offset 5, -16
-+; CHECK-THUMB-FP:   .cfi_offset 4, -20
- ; CHECK-THUMB-FP:   add    r7, sp, #12
--; CHECK-THUMB-FP:   .cfi_def_cfa r7, 8
-+; CHECK-THUMB-FP:   .cfi_def_cfa 7, 8
- ; CHECK-THUMB-FP:   sub    sp, #60
- ; CHECK-THUMB-FP:   .cfi_endproc
- 
- ; CHECK-THUMB-FP-ELIM-LABEL: _Z4testiiiiiddddd:
- ; CHECK-THUMB-FP-ELIM:   .cfi_startproc
- ; CHECK-THUMB-FP-ELIM:   push   {r4, r5, r6, r7, lr}
- ; CHECK-THUMB-FP-ELIM:   .cfi_def_cfa_offset 20
--; CHECK-THUMB-FP-ELIM:   .cfi_offset lr, -4
--; CHECK-THUMB-FP-ELIM:   .cfi_offset r7, -8
--; CHECK-THUMB-FP-ELIM:   .cfi_offset r6, -12
--; CHECK-THUMB-FP-ELIM:   .cfi_offset r5, -16
--; CHECK-THUMB-FP-ELIM:   .cfi_offset r4, -20
-+; CHECK-THUMB-FP-ELIM:   .cfi_offset 14, -4
-+; CHECK-THUMB-FP-ELIM:   .cfi_offset 7, -8
-+; CHECK-THUMB-FP-ELIM:   .cfi_offset 6, -12
-+; CHECK-THUMB-FP-ELIM:   .cfi_offset 5, -16
-+; CHECK-THUMB-FP-ELIM:   .cfi_offset 4, -20
- ; CHECK-THUMB-FP-ELIM:   sub    sp, #60
- ; CHECK-THUMB-FP-ELIM:   .cfi_def_cfa_offset 80
- ; CHECK-THUMB-FP-ELIM:   .cfi_endproc
- 
- ; CHECK-THUMB-V7-FP-LABEL: _Z4testiiiiiddddd:
- ; CHECK-THUMB-V7-FP:   .cfi_startproc
- ; CHECK-THUMB-V7-FP:   push.w   {r4, r7, r11, lr}
- ; CHECK-THUMB-V7-FP:   .cfi_def_cfa_offset 16
--; CHECK-THUMB-V7-FP:   .cfi_offset lr, -4
--; CHECK-THUMB-V7-FP:   .cfi_offset r11, -8
--; CHECK-THUMB-V7-FP:   .cfi_offset r7, -12
--; CHECK-THUMB-V7-FP:   .cfi_offset r4, -16
-+; CHECK-THUMB-V7-FP:   .cfi_offset 14, -4
-+; CHECK-THUMB-V7-FP:   .cfi_offset 11, -8
-+; CHECK-THUMB-V7-FP:   .cfi_offset 7, -12
-+; CHECK-THUMB-V7-FP:   .cfi_offset 4, -16
- ; CHECK-THUMB-V7-FP:   add    r7, sp, #4
--; CHECK-THUMB-V7-FP:   .cfi_def_cfa r7, 12
-+; CHECK-THUMB-V7-FP:   .cfi_def_cfa 7, 12
- ; CHECK-THUMB-V7-FP:   vpush  {d8, d9, d10, d11, d12}
--; CHECK-THUMB-V7-FP:   .cfi_offset d12, -24
--; CHECK-THUMB-V7-FP:   .cfi_offset d11, -32
--; CHECK-THUMB-V7-FP:   .cfi_offset d10, -40
--; CHECK-THUMB-V7-FP:   .cfi_offset d9, -48
--; CHECK-THUMB-V7-FP:   .cfi_offset d8, -56
-+; CHECK-THUMB-V7-FP:   .cfi_offset 268, -24
-+; CHECK-THUMB-V7-FP:   .cfi_offset 267, -32
-+; CHECK-THUMB-V7-FP:   .cfi_offset 266, -40
-+; CHECK-THUMB-V7-FP:   .cfi_offset 265, -48
-+; CHECK-THUMB-V7-FP:   .cfi_offset 264, -56
- ; CHECK-THUMB-V7-FP:   sub    sp, #24
- ; CHECK-THUMB-V7-FP:   .cfi_endproc
- 
- ; CHECK-THUMB-V7-FP-ELIM-LABEL: _Z4testiiiiiddddd:
- ; CHECK-THUMB-V7-FP-ELIM:   .cfi_startproc
- ; CHECK-THUMB-V7-FP-ELIM:   push   {r4, lr}
- ; CHECK-THUMB-V7-FP-ELIM:   .cfi_def_cfa_offset 8
--; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset lr, -4
--; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset r4, -8
-+; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset 14, -4
-+; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset 4, -8
- ; CHECK-THUMB-V7-FP-ELIM:   vpush  {d8, d9, d10, d11, d12}
- ; CHECK-THUMB-V7-FP-ELIM:   .cfi_def_cfa_offset 48
--; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset d12, -16
--; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset d11, -24
--; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset d10, -32
--; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset d9, -40
--; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset d8, -48
-+; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset 268, -16
-+; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset 267, -24
-+; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset 266, -32
-+; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset 265, -40
-+; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset 264, -48
- ; CHECK-THUMB-V7-FP-ELIM:   sub    sp, #24
- ; CHECK-THUMB-V7-FP-ELIM:   .cfi_def_cfa_offset 72
- ; CHECK-THUMB-V7-FP-ELIM:   .cfi_endproc
-@@ -309,81 +309,81 @@
- ; CHECK-FP:   .cfi_startproc
- ; CHECK-FP:   push   {r11, lr}
- ; CHECK-FP:   .cfi_def_cfa_offset 8
--; CHECK-FP:   .cfi_offset lr, -4
--; CHECK-FP:   .cfi_offset r11, -8
-+; CHECK-FP:   .cfi_offset 14, -4
-+; CHECK-FP:   .cfi_offset 11, -8
- ; CHECK-FP:   mov    r11, sp
--; CHECK-FP:   .cfi_def_cfa_register r11
-+; CHECK-FP:   .cfi_def_cfa_register 11
- ; CHECK-FP:   pop    {r11, lr}
- ; CHECK-FP:   mov    pc, lr
- ; CHECK-FP:   .cfi_endproc
- 
- ; CHECK-FP-ELIM-LABEL: test2:
- ; CHECK-FP-ELIM:   .cfi_startproc
- ; CHECK-FP-ELIM:   push  {r11, lr}
- ; CHECK-FP-ELIM:   .cfi_def_cfa_offset 8
--; CHECK-FP-ELIM:   .cfi_offset lr, -4
--; CHECK-FP-ELIM:   .cfi_offset r11, -8
-+; CHECK-FP-ELIM:   .cfi_offset 14, -4
-+; CHECK-FP-ELIM:   .cfi_offset 11, -8
- ; CHECK-FP-ELIM:   pop   {r11, lr}
- ; CHECK-FP-ELIM:   mov   pc, lr
- ; CHECK-FP-ELIM:   .cfi_endproc
- 
- ; CHECK-V7-FP-LABEL: test2:
- ; CHECK-V7-FP:   .cfi_startproc
- ; CHECK-V7-FP:   push   {r11, lr}
- ; CHECK-V7-FP:   .cfi_def_cfa_offset 8
--; CHECK-V7-FP:   .cfi_offset lr, -4
--; CHECK-V7-FP:   .cfi_offset r11, -8
-+; CHECK-V7-FP:   .cfi_offset 14, -4
-+; CHECK-V7-FP:   .cfi_offset 11, -8
- ; CHECK-V7-FP:   mov    r11, sp
--; CHECK-V7-FP:   .cfi_def_cfa_register r11
-+; CHECK-V7-FP:   .cfi_def_cfa_register 11
- ; CHECK-V7-FP:   pop    {r11, pc}
- ; CHECK-V7-FP:   .cfi_endproc
- 
- ; CHECK-V7-FP-ELIM-LABEL: test2:
- ; CHECK-V7-FP-ELIM:   .cfi_startproc
- ; CHECK-V7-FP-ELIM:   push  {r11, lr}
- ; CHECK-V7-FP-ELIM:   .cfi_def_cfa_offset 8
--; CHECK-V7-FP-ELIM:   .cfi_offset lr, -4
--; CHECK-V7-FP-ELIM:   .cfi_offset r11, -8
-+; CHECK-V7-FP-ELIM:   .cfi_offset 14, -4
-+; CHECK-V7-FP-ELIM:   .cfi_offset 11, -8
- ; CHECK-V7-FP-ELIM:   pop   {r11, pc}
- ; CHECK-V7-FP-ELIM:   .cfi_endproc
- 
- ; CHECK-THUMB-FP-LABEL: test2:
- ; CHECK-THUMB-FP:   .cfi_startproc
- ; CHECK-THUMB-FP:   push   {r7, lr}
- ; CHECK-THUMB-FP:   .cfi_def_cfa_offset 8
--; CHECK-THUMB-FP:   .cfi_offset lr, -4
--; CHECK-THUMB-FP:   .cfi_offset r7, -8
-+; CHECK-THUMB-FP:   .cfi_offset 14, -4
-+; CHECK-THUMB-FP:   .cfi_offset 7, -8
- ; CHECK-THUMB-FP:   add    r7, sp, #0
--; CHECK-THUMB-FP:   .cfi_def_cfa_register r7
-+; CHECK-THUMB-FP:   .cfi_def_cfa_register 7
- ; CHECK-THUMB-FP:   pop    {r7, pc}
- ; CHECK-THUMB-FP:   .cfi_endproc
- 
- ; CHECK-THUMB-FP-ELIM-LABEL: test2:
- ; CHECK-THUMB-FP-ELIM:   .cfi_startproc
- ; CHECK-THUMB-FP-ELIM:   push  {r7, lr}
- ; CHECK-THUMB-FP-ELIM:   .cfi_def_cfa_offset 8
--; CHECK-THUMB-FP-ELIM:   .cfi_offset lr, -4
--; CHECK-THUMB-FP-ELIM:   .cfi_offset r7, -8
-+; CHECK-THUMB-FP-ELIM:   .cfi_offset 14, -4
-+; CHECK-THUMB-FP-ELIM:   .cfi_offset 7, -8
- ; CHECK-THUMB-FP-ELIM:   pop   {r7, pc}
- ; CHECK-THUMB-FP-ELIM:   .cfi_endproc
- 
- ; CHECK-THUMB-V7-FP-LABEL: test2:
- ; CHECK-THUMB-V7-FP:   .cfi_startproc
- ; CHECK-THUMB-V7-FP:   push   {r7, lr}
- ; CHECK-THUMB-V7-FP:   .cfi_def_cfa_offset 8
--; CHECK-THUMB-V7-FP:   .cfi_offset lr, -4
--; CHECK-THUMB-V7-FP:   .cfi_offset r7, -8
-+; CHECK-THUMB-V7-FP:   .cfi_offset 14, -4
-+; CHECK-THUMB-V7-FP:   .cfi_offset 7, -8
- ; CHECK-THUMB-V7-FP:   mov    r7, sp
--; CHECK-THUMB-V7-FP:   .cfi_def_cfa_register r7
-+; CHECK-THUMB-V7-FP:   .cfi_def_cfa_register 7
- ; CHECK-THUMB-V7-FP:   pop    {r7, pc}
- ; CHECK-THUMB-V7-FP:   .cfi_endproc
- 
- ; CHECK-THUMB-V7-FP-ELIM-LABEL: test2:
- ; CHECK-THUMB-V7-FP-ELIM:   .cfi_startproc
- ; CHECK-THUMB-V7-FP-ELIM:   push.w  {r11, lr}
- ; CHECK-THUMB-V7-FP-ELIM:   .cfi_def_cfa_offset 8
--; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset lr, -4
--; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset r11, -8
-+; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset 14, -4
-+; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset 11, -8
- ; CHECK-THUMB-V7-FP-ELIM:   pop.w   {r11, pc}
- ; CHECK-THUMB-V7-FP-ELIM:   .cfi_endproc
- 
-@@ -413,97 +413,97 @@
- ; CHECK-FP:   .cfi_startproc
- ; CHECK-FP:   push   {r4, r5, r11, lr}
- ; CHECK-FP:   .cfi_def_cfa_offset 16
--; CHECK-FP:   .cfi_offset lr, -4
--; CHECK-FP:   .cfi_offset r11, -8
--; CHECK-FP:   .cfi_offset r5, -12
--; CHECK-FP:   .cfi_offset r4, -16
-+; CHECK-FP:   .cfi_offset 14, -4
-+; CHECK-FP:   .cfi_offset 11, -8
-+; CHECK-FP:   .cfi_offset 5, -12
-+; CHECK-FP:   .cfi_offset 4, -16
- ; CHECK-FP:   add    r11, sp, #8
--; CHECK-FP:   .cfi_def_cfa r11, 8
-+; CHECK-FP:   .cfi_def_cfa 11, 8
- ; CHECK-FP:   pop    {r4, r5, r11, lr}
- ; CHECK-FP:   mov    pc, lr
- ; CHECK-FP:   .cfi_endproc
- 
- ; CHECK-FP-ELIM-LABEL: test3:
- ; CHECK-FP-ELIM:   .cfi_startproc
- ; CHECK-FP-ELIM:   push  {r4, r5, r11, lr}
- ; CHECK-FP-ELIM:   .cfi_def_cfa_offset 16
--; CHECK-FP-ELIM:   .cfi_offset lr, -4
--; CHECK-FP-ELIM:   .cfi_offset r11, -8
--; CHECK-FP-ELIM:   .cfi_offset r5, -12
--; CHECK-FP-ELIM:   .cfi_offset r4, -16
-+; CHECK-FP-ELIM:   .cfi_offset 14, -4
-+; CHECK-FP-ELIM:   .cfi_offset 11, -8
-+; CHECK-FP-ELIM:   .cfi_offset 5, -12
-+; CHECK-FP-ELIM:   .cfi_offset 4, -16
- ; CHECK-FP-ELIM:   pop   {r4, r5, r11, lr}
- ; CHECK-FP-ELIM:   mov   pc, lr
- ; CHECK-FP-ELIM:   .cfi_endproc
- 
- ; CHECK-V7-FP-LABEL: test3:
- ; CHECK-V7-FP:   .cfi_startproc
- ; CHECK-V7-FP:   push   {r4, r5, r11, lr}
- ; CHECK-V7-FP:   .cfi_def_cfa_offset 16
--; CHECK-V7-FP:   .cfi_offset lr, -4
--; CHECK-V7-FP:   .cfi_offset r11, -8
--; CHECK-V7-FP:   .cfi_offset r5, -12
--; CHECK-V7-FP:   .cfi_offset r4, -16
-+; CHECK-V7-FP:   .cfi_offset 14, -4
-+; CHECK-V7-FP:   .cfi_offset 11, -8
-+; CHECK-V7-FP:   .cfi_offset 5, -12
-+; CHECK-V7-FP:   .cfi_offset 4, -16
- ; CHECK-V7-FP:   add    r11, sp, #8
--; CHECK-V7-FP:   .cfi_def_cfa r11, 8
-+; CHECK-V7-FP:   .cfi_def_cfa 11, 8
- ; CHECK-V7-FP:   pop    {r4, r5, r11, pc}
- ; CHECK-V7-FP:   .cfi_endproc
- 
- ; CHECK-V7-FP-ELIM-LABEL: test3:
- ; CHECK-V7-FP-ELIM:   .cfi_startproc
- ; CHECK-V7-FP-ELIM:   push  {r4, r5, r11, lr}
- ; CHECK-V7-FP-ELIM:   .cfi_def_cfa_offset 16
--; CHECK-V7-FP-ELIM:   .cfi_offset lr, -4
--; CHECK-V7-FP-ELIM:   .cfi_offset r11, -8
--; CHECK-V7-FP-ELIM:   .cfi_offset r5, -12
--; CHECK-V7-FP-ELIM:   .cfi_offset r4, -16
-+; CHECK-V7-FP-ELIM:   .cfi_offset 14, -4
-+; CHECK-V7-FP-ELIM:   .cfi_offset 11, -8
-+; CHECK-V7-FP-ELIM:   .cfi_offset 5, -12
-+; CHECK-V7-FP-ELIM:   .cfi_offset 4, -16
- ; CHECK-V7-FP-ELIM:   pop   {r4, r5, r11, pc}
- ; CHECK-V7-FP-ELIM:   .cfi_endproc
- 
- ; CHECK-THUMB-FP-LABEL: test3:
- ; CHECK-THUMB-FP:   .cfi_startproc
- ; CHECK-THUMB-FP:   push   {r4, r5, r7, lr}
- ; CHECK-THUMB-FP:   .cfi_def_cfa_offset 16
--; CHECK-THUMB-FP:   .cfi_offset lr, -4
--; CHECK-THUMB-FP:   .cfi_offset r7, -8
--; CHECK-THUMB-FP:   .cfi_offset r5, -12
--; CHECK-THUMB-FP:   .cfi_offset r4, -16
-+; CHECK-THUMB-FP:   .cfi_offset 14, -4
-+; CHECK-THUMB-FP:   .cfi_offset 7, -8
-+; CHECK-THUMB-FP:   .cfi_offset 5, -12
-+; CHECK-THUMB-FP:   .cfi_offset 4, -16
- ; CHECK-THUMB-FP:   add    r7, sp, #8
--; CHECK-THUMB-FP:   .cfi_def_cfa r7, 8
-+; CHECK-THUMB-FP:   .cfi_def_cfa 7, 8
- ; CHECK-THUMB-FP:   pop    {r4, r5, r7, pc}
- ; CHECK-THUMB-FP:   .cfi_endproc
- 
- ; CHECK-THUMB-FP-ELIM-LABEL: test3:
- ; CHECK-THUMB-FP-ELIM:   .cfi_startproc
- ; CHECK-THUMB-FP-ELIM:   push  {r4, r5, r7, lr}
- ; CHECK-THUMB-FP-ELIM:   .cfi_def_cfa_offset 16
--; CHECK-THUMB-FP-ELIM:   .cfi_offset lr, -4
--; CHECK-THUMB-FP-ELIM:   .cfi_offset r7, -8
--; CHECK-THUMB-FP-ELIM:   .cfi_offset r5, -12
--; CHECK-THUMB-FP-ELIM:   .cfi_offset r4, -16
-+; CHECK-THUMB-FP-ELIM:   .cfi_offset 14, -4
-+; CHECK-THUMB-FP-ELIM:   .cfi_offset 7, -8
-+; CHECK-THUMB-FP-ELIM:   .cfi_offset 5, -12
-+; CHECK-THUMB-FP-ELIM:   .cfi_offset 4, -16
- ; CHECK-THUMB-FP-ELIM:   pop   {r4, r5, r7, pc}
- ; CHECK-THUMB-FP-ELIM:   .cfi_endproc
- 
- ; CHECK-THUMB-V7-FP-LABEL: test3:
- ; CHECK-THUMB-V7-FP:   .cfi_startproc
- ; CHECK-THUMB-V7-FP:   push   {r4, r5, r7, lr}
- ; CHECK-THUMB-V7-FP:   .cfi_def_cfa_offset 16
--; CHECK-THUMB-V7-FP:   .cfi_offset lr, -4
--; CHECK-THUMB-V7-FP:   .cfi_offset r7, -8
--; CHECK-THUMB-V7-FP:   .cfi_offset r5, -12
--; CHECK-THUMB-V7-FP:   .cfi_offset r4, -16
-+; CHECK-THUMB-V7-FP:   .cfi_offset 14, -4
-+; CHECK-THUMB-V7-FP:   .cfi_offset 7, -8
-+; CHECK-THUMB-V7-FP:   .cfi_offset 5, -12
-+; CHECK-THUMB-V7-FP:   .cfi_offset 4, -16
- ; CHECK-THUMB-V7-FP:   add    r7, sp, #8
--; CHECK-THUMB-V7-FP:   .cfi_def_cfa r7, 8
-+; CHECK-THUMB-V7-FP:   .cfi_def_cfa 7, 8
- ; CHECK-THUMB-V7-FP:   pop    {r4, r5, r7, pc}
- ; CHECK-THUMB-V7-FP:   .cfi_endproc
- 
- ; CHECK-THUMB-V7-FP-ELIM-LABEL: test3:
- ; CHECK-THUMB-V7-FP-ELIM:   .cfi_startproc
- ; CHECK-THUMB-V7-FP-ELIM:   push.w  {r4, r5, r11, lr}
- ; CHECK-THUMB-V7-FP-ELIM:   .cfi_def_cfa_offset 16
--; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset lr, -4
--; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset r11, -8
--; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset r5, -12
--; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset r4, -16
-+; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset 14, -4
-+; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset 11, -8
-+; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset 5, -12
-+; CHECK-THUMB-V7-FP-ELIM:   .cfi_offset 4, -16
- ; CHECK-THUMB-V7-FP-ELIM:   pop.w   {r4, r5, r11, pc}
- ; CHECK-THUMB-V7-FP-ELIM:   .cfi_endproc
- 
-EOF
-patch -p0
-cd -
-
 # Echo all commands.
 set -x
 
 NUM_JOBS=3
 if [[ "${OS}" = "Linux" ]]; then
   NUM_JOBS="$(grep -c "^processor" /proc/cpuinfo)"
 elif [ "${OS}" = "Darwin" -o "${OS}" = "FreeBSD" ]; then
   NUM_JOBS="$(sysctl -n hw.ncpu)"
 fi
 
 if [[ -n "${gcc_toolchain}" ]]; then
   # Use the specified gcc installation for building.
   export CC="$gcc_toolchain/bin/gcc"
   export CXX="$gcc_toolchain/bin/g++"
 fi
 
 export CFLAGS=""
 export CXXFLAGS=""
-# LLVM uses C++11 starting in llvm 3.5. On Linux, this means libstdc++4.7+ is
-# needed, on OS X it requires libc++. clang only automatically links to libc++
-# when targeting OS X 10.9+, so add stdlib=libc++ explicitly so clang can run on
-# OS X versions as old as 10.7.
-# TODO(thakis): Enable this once all bots are on 10.7, and remove the
-# --disable-compiler-version-checks flags below, and change all
-# MACOSX_DEPLOYMENT_TARGET values to 10.7.
-if [ "${OS}" = "Darwin" ]; then
-  #CXXFLAGS="-stdlib=libc++"
-  CXXFLAGS="-std=gnu++98"
-fi
 
 # Build bootstrap clang if requested.
 if [[ -n "${bootstrap}" ]]; then
-  ABS_INSTALL_DIR="${PWD}/${LLVM_BOOTSTRAP_INSTALL_DIR}"
   echo "Building bootstrap compiler"
   mkdir -p "${LLVM_BOOTSTRAP_DIR}"
   cd "${LLVM_BOOTSTRAP_DIR}"
   if [[ ! -f ./config.status ]]; then
     # The bootstrap compiler only needs to be able to build the real compiler,
     # so it needs no cross-compiler output support. In general, the host
     # compiler should be as similar to the final compiler as possible, so do
     # keep --disable-threads & co.
     ../llvm/configure \
-        --disable-compiler-version-checks \
         --enable-optimized \
         --enable-targets=host-only \
         --disable-threads \
         --disable-pthreads \
         --without-llvmgcc \
-        --without-llvmgxx \
-        --prefix="${ABS_INSTALL_DIR}"
+        --without-llvmgxx
   fi
 
+  if [[ -n "${gcc_toolchain}" ]]; then
+    # Copy that gcc's stdlibc++.so.6 to the build dir, so the bootstrap
+    # compiler can start.
+    mkdir -p Release+Asserts/lib
+    cp -v "$(${CXX} -print-file-name=libstdc++.so.6)" \
+      "Release+Asserts/lib/"
+  fi
+
+
   MACOSX_DEPLOYMENT_TARGET=10.5 ${MAKE} -j"${NUM_JOBS}"
   if [[ -n "${run_tests}" ]]; then
     ${MAKE} check-all
   fi
-
-  MACOSX_DEPLOYMENT_TARGET=10.5 ${MAKE} install
-  if [[ -n "${gcc_toolchain}" ]]; then
-    # Copy that gcc's stdlibc++.so.6 to the build dir, so the bootstrap
-    # compiler can start.
-    cp -v "$(${CXX} -print-file-name=libstdc++.so.6)" \
-      "${ABS_INSTALL_DIR}/lib/"
-  fi
-
   cd -
-  export CC="${ABS_INSTALL_DIR}/bin/clang"
-  export CXX="${ABS_INSTALL_DIR}/bin/clang++"
+  export CC="${PWD}/${LLVM_BOOTSTRAP_DIR}/Release+Asserts/bin/clang"
+  export CXX="${PWD}/${LLVM_BOOTSTRAP_DIR}/Release+Asserts/bin/clang++"
 
   if [[ -n "${gcc_toolchain}" ]]; then
     # Tell the bootstrap compiler to use a specific gcc prefix to search
     # for standard library headers and shared object file.
     export CFLAGS="--gcc-toolchain=${gcc_toolchain}"
     export CXXFLAGS="--gcc-toolchain=${gcc_toolchain}"
   fi
 
   echo "Building final compiler"
 fi
 
 # Build clang (in a separate directory).
 # The clang bots have this path hardcoded in built/scripts/slave/compile.py,
 # so if you change it you also need to change these links.
 mkdir -p "${LLVM_BUILD_DIR}"
 cd "${LLVM_BUILD_DIR}"
 if [[ ! -f ./config.status ]]; then
   ../llvm/configure \
-      --disable-compiler-version-checks \
       --enable-optimized \
       --disable-threads \
       --disable-pthreads \
       --without-llvmgcc \
       --without-llvmgxx
 fi
 
 if [[ -n "${gcc_toolchain}" ]]; then
   # Copy in the right stdlibc++.so.6 so clang can start.
   mkdir -p Release+Asserts/lib
@@ skipping 50 matching lines @@
       "${TOOL_SRC_DIR}/tests/test.sh" "${LLVM_BUILD_DIR}/Release+Asserts"
     fi
   done
   cd "${LLVM_BUILD_DIR}"
   ${MAKE} check-all
   cd -
 fi
 
 # After everything is done, log success for this revision.
 echo "${CLANG_AND_PLUGINS_REVISION}" > "${STAMP_FILE}"