PNaCl: Update LLVM and Subzero revision in pnacl/COMPONENT_REVISIONS

PNaCl: Update LLVM and Subzero revision in pnacl/COMPONENT_REVISIONS

This pulls in the following LLVM changes:

5d49470: (kschimpf@google.com) Allow temporary overrides of error stream in NaClBitcodeParser.
2c57bd8: (jfb@chromium.org) Fix more build warnings
97ac535: (dschuff@chromium.org) Remove unused LOCALMOD to disable libxml

This pulls in the following Subzero changes:

e3c02c2: (stichnot@chromium.org) Subzero: Disable asserts in the MINIMAL build.
586d4c2: (stichnot@chromium.org) Subzero: Improve performance by using llvm::SmallVector<>.
a49e9d9: (stichnot@chromium.org) Subzero: Build with function/data sections and -gc-sections.
1c44d81: (stichnot@chromium.org) Subzero: Disable stats and timers under the MINIMAL build.
f875d45: (kschimpf@google.com) Remove call to PNaClABIProps::isAllowedAlignment from subzero.
9bb188d: (kschimpf@google.com) Reduce one layer of decoding for binary operations in bitcode reading.
668a7a3: (stichnot@chromium.org) Subzero: Pull the node name out of the node structure.
1502e59: (stichnot@chromium.org) Subzero: Use llvm::ilist<> for PhiList and AssignList.
639c921: (stichnot@chromium.org) Subzero: Add memory usage to "-szstats" output.
9a04c07: (stichnot@chromium.org) Subzero: Don't store std::string objects inside Variable.
3281748: (kschimpf@google.com) Simplify LLVM's APInt and APFloat for use in Subzero.
e5b73e6: (stichnot@chromium.org) Subzero: Clean up live range construction.
bf17037: (kschimpf@google.com) Remove using LLVM tools to check correctness of cast operation.
4019f08: (kschimpf@google.com) Remove TypeConverter and Module from minimal subzero build.
e6d2478: (stichnot@chromium.org) Subzero: Randomize register assignment.
31c9559: (stichnot@chromium.org) Subzero: Use CFG-local arena allocation for relevant containers.
ae95320: (stichnot@chromium.org) Subzero: Convert NULL->nullptr.
29841e8: (stichnot@chromium.org) Subzero: Use range-based for loops with llvm::ilist<Inst> lists.
c599e46: (stichnot@chromium.org) Subzero: Use the CfgLocalAllocator for more vector types.
5a122d7: (jvoung@chromium.org) Remove isPooled virtual method from IceOperand.
7e57136: (stichnot@chromium.org) Subzero: Clean up a few areas.
91a3e2c: (jvoung@chromium.org) Subzero: Write float/double constant pools directly to the ELF file.
2e7daef: (kschimpf@google.com) Add ability to test parsing of bitcode records in Subzero.
1d62cf0: (jvoung@chromium.org) Make fixups reference any constant (allow const float/double pool literals).
3018545: (stichnot@chromium.org) Subzero: Update the lowering documentation.
e34d79d: (stichnot@chromium.org) Subzero: Use SmallVector<> instead of vector<> in a couple places.
ec27073: (jvoung@chromium.org) Start writing out some relocation sections (text).
769be68: (stichnot@chromium.org) Subzero: Remove the IceV_RegManager enum value.
af238b2: (kschimpf@google.com) Add instruction alignment tests to unit tests.
e4a8f40: (stichnot@chromium.org) Subzero: Add locking to prepare for multithreaded translation.
a086b91: (stichnot@chromium.org) Subzero: Remove the GlobalContext::GlobalDeclarations vector.
819d7b5: (kschimpf@google.com) Fix the PNaCl translator to lock the dump stream when printing errors.
f2e93b6: (jfb@chromium.org) Fix build warnings
7d53825: (stichnot@chromium.org) Subzero: Make thread_local work under MacOS 10.6.
fed97af: (jvoung@chromium.org) Make use of BSS more explicit in global initializers (vs a local .comm).
a5fe17a: (stichnot@chromium.org) Subzero: Second attempt at fixing MacOS 10.6 build.

BUG=none
TEST= PNaCl toolchain trybots
R=stichnot@chromium.org

Committed: https://src.chromium.org/viewvc/native_client?view=rev&revision=2d65c2358780c5ace56b270743f04a5900c0ded7

[Jim Stichnoth, 2015-01-22 22:43:20]

lgtm

[JF, 2015-01-22 23:44:07]

C++11's TLS isn't supported by clang on OSX when the version is lower than 10.7,
and our bots are currently on 10.6.

Jim will change subzero to use __thread in these circumstances.

[Jim Stichnoth, 2015-01-23 18:26:32]

On 2015/01/22 23:44:07, JF wrote:
> C++11's TLS isn't supported by clang on OSX when the version is lower than
10.7,
> and our bots are currently on 10.6.
> 
> Jim will change subzero to use __thread in these circumstances.

Done in Subzero 7d53825caab0e81c653de52833260dbe81963875

[JF, 2015-01-23 18:57:07]

The CQ bit was checked by jfb@chromium.org

[JF, 2015-01-23 18:57:43]

On 2015/01/23 18:26:32, stichnot wrote:
> On 2015/01/22 23:44:07, JF wrote:
> > C++11's TLS isn't supported by clang on OSX when the version is lower than
> 10.7,
> > and our bots are currently on 10.6.
> > 
> > Jim will change subzero to use __thread in these circumstances.
> 
> Done in Subzero 7d53825caab0e81c653de52833260dbe81963875

Thanks, I updated this CL and changed the description. Trying bots again.

[commit-bot: I haz the power, 2015-01-23 18:57:47]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/873443004/20001

[commit-bot: I haz the power, 2015-01-23 18:57:49]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-01-23 18:57:50]

Failed to apply patch for pnacl/COMPONENT_REVISIONS:
While running git apply --index -3 -p1;
  error: patch failed: pnacl/COMPONENT_REVISIONS:9
  Falling back to three-way merge...
  Applied patch to 'pnacl/COMPONENT_REVISIONS' with conflicts.
  U pnacl/COMPONENT_REVISIONS

Patch:       pnacl/COMPONENT_REVISIONS
Index: pnacl/COMPONENT_REVISIONS
diff --git a/pnacl/COMPONENT_REVISIONS b/pnacl/COMPONENT_REVISIONS
index
ee014164fdedb42bbba83c177cd7eeb22deef264..b8d8532df4439cb8f44377c100adcbcd37bcebe2
100644
--- a/pnacl/COMPONENT_REVISIONS
+++ b/pnacl/COMPONENT_REVISIONS
@@ -9,12 +9,12 @@
 
 binutils=84c8183a55ddc46a4c2be03eef840cceb83d6bcb
 clang=f286007caa1d830a4d8abc9bfca497164eaa1464
-llvm=d836f2c1d98fe68ef620f75a71de07418f51fa6a
+llvm=2c57bd8daeb691d8f25298b359b07ff9a1ea3d23
 gcc=574429118e460375c377728420c43aad4a3103dc
 libcxx=ba6de7e3eaac146ce1553c4b28141c19246c50e9
 libcxxabi=d980d1191e1034abd4e1c06ed9c532b6f9db2d5c
 nacl_newlib=da717459e4577690dfce366a17202df8d01281ce
 llvm_test_suite=6438a2b505fa29f82eb850aed1785db1738b971c
 compiler_rt=e586cb34ca768cb1c5170c6ca5865ca5333b3c6e
-subzero=dddaf9cae5107a60becbe69628d774815e9305e7
+subzero=7d53825caab0e81c653de52833260dbe81963875
 binutils_x86=1d8592cc9f02cc9aeaef992c296376a8fd4c8761

[JF, 2015-01-23 19:04:19]

The CQ bit was checked by jfb@chromium.org

[commit-bot: I haz the power, 2015-01-23 19:05:07]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/873443004/60001

[commit-bot: I haz the power, 2015-01-23 19:08:58]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-01-23 19:08:59]

Try jobs failed on following builders:
  nacl-win32_glibc_opt on tryserver.nacl
(http://build.chromium.org/p/tryserver.nacl/builders/nacl-win32_glibc_opt/buil...)

[JF, 2015-01-26 19:18:01]

I updated the CL again, this time to pull in stichnot's TLS fix for OSX 10.6:
  https://codereview.chromium.org/872933002/

Running toolchain bots again.

[JF, 2015-01-26 20:48:40]

Committed patchset #5 (id:80001) manually as
2d65c2358780c5ace56b270743f04a5900c0ded7 (presubmit successful).