[builtins] Fixed a Gcc compilation error in src/code-stub-assembler.cc.

[builtins] Fixed a Gcc compilation error in src/code-stub-assembler.cc.

  The CL #40373 (https://codereview.chromium.org/2405253006 ) caused a Gcc compilation error.

  The error message was:
  ../src/code-stub-assembler.cc: In member function ‘v8::internal::compiler::Node* v8::internal::CodeStubAssembler::CreateArrayIterator(v8::internal::compiler::Node*, v8::internal::compiler::Node*, v8::internal::compiler::Node*, v8::internal::compiler::Node*, v8::internal::IterationKind)’:
  ../src/code-stub-assembler.cc:7909:7: error: ‘kBaseMapIndex’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
     int kBaseMapIndex;
         ^
  cc1plus: all warnings being treated as errors
  make[1]: *** [/home/zxli/work/google-v8/v8/out/x87.release/obj.target/v8_base/src/code-stub-assembler.o] Error 1

  This CL fixed this issue by initalizing kBaseMapIndex to 0.

BUG=

Committed: https://crrev.com/b275457ecb1dbbfcdec1806fbf69f17b18a8e60a
Cr-Commit-Position: refs/heads/master@{#40390}

[zhengxing.li, 2016-10-18 07:24:11]

zhengxing.li@intel.com changed reviewers:
+ bmeurer@chromium.org, caitp@igalia.com, weiliang.lin@intel.com

[zhengxing.li, 2016-10-18 07:24:11]

PTAL, thanks!

[Benedikt Meurer, 2016-10-18 07:24:39]

LGTM.

[Michael Achenbach, 2016-10-18 07:44:47]

Can you wait with submitting? I want to switch off this warning for gcc.

[zhengxing.li, 2016-10-18 07:46:31]

On 2016/10/18 07:44:47, machenbach (slow) wrote:
> Can you wait with submitting? I want to switch off this warning for gcc.

Ok, no problem, Michael!

[zhengxing.li, 2016-10-18 08:34:22]

On 2016/10/18 07:46:31, zhengxing.li wrote:
> On 2016/10/18 07:44:47, machenbach (slow) wrote:
> > Can you wait with submitting? I want to switch off this warning for gcc.
> 
> Ok, no problem, Michael!

Hi, Michael:

can I submit this CL? This is the last CL that can make x87 build green.

Thanks!

[zhengxing.li, 2016-10-18 09:19:29]

The CQ bit was checked by zhengxing.li@intel.com

[commit-bot: I haz the power, 2016-10-18 09:19:35]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-18 09:46:03]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-18 09:46:26]

Description was changed from

==========
[builtins] Fixed a Gcc compilation error in src/code-stub-assembler.cc.

  The CL #40373 (https://codereview.chromium.org/2405253006 ) caused a Gcc
compilation error.

  The error message was:
  ../src/code-stub-assembler.cc: In member function
‘v8::internal::compiler::Node*
v8::internal::CodeStubAssembler::CreateArrayIterator(v8::internal::compiler::Node*,
v8::internal::compiler::Node*, v8::internal::compiler::Node*,
v8::internal::compiler::Node*, v8::internal::IterationKind)’:
  ../src/code-stub-assembler.cc:7909:7: error: ‘kBaseMapIndex’ may be used
uninitialized in this function [-Werror=maybe-uninitialized]
     int kBaseMapIndex;
         ^
  cc1plus: all warnings being treated as errors
  make[1]: ***
[/home/zxli/work/google-v8/v8/out/x87.release/obj.target/v8_base/src/code-stub-assembler.o]
Error 1

  This CL fixed this issue by initalizing kBaseMapIndex to 0.

BUG=
==========

to

==========
[builtins] Fixed a Gcc compilation error in src/code-stub-assembler.cc.

  The CL #40373 (https://codereview.chromium.org/2405253006 ) caused a Gcc
compilation error.

  The error message was:
  ../src/code-stub-assembler.cc: In member function
‘v8::internal::compiler::Node*
v8::internal::CodeStubAssembler::CreateArrayIterator(v8::internal::compiler::Node*,
v8::internal::compiler::Node*, v8::internal::compiler::Node*,
v8::internal::compiler::Node*, v8::internal::IterationKind)’:
  ../src/code-stub-assembler.cc:7909:7: error: ‘kBaseMapIndex’ may be used
uninitialized in this function [-Werror=maybe-uninitialized]
     int kBaseMapIndex;
         ^
  cc1plus: all warnings being treated as errors
  make[1]: ***
[/home/zxli/work/google-v8/v8/out/x87.release/obj.target/v8_base/src/code-stub-assembler.o]
Error 1

  This CL fixed this issue by initalizing kBaseMapIndex to 0.

BUG=

Committed: https://crrev.com/b275457ecb1dbbfcdec1806fbf69f17b18a8e60a
Cr-Commit-Position: refs/heads/master@{#40390}
==========

[commit-bot: I haz the power, 2016-10-18 09:46:27]

Patchset 1 (id:??) landed as
https://crrev.com/b275457ecb1dbbfcdec1806fbf69f17b18a8e60a
Cr-Commit-Position: refs/heads/master@{#40390}

[caitp, 2016-10-18 12:38:12]

On 2016/10/18 09:46:27, commit-bot: I haz the power wrote:
> Patchset 1 (id:??) landed as
> https://crrev.com/b275457ecb1dbbfcdec1806fbf69f17b18a8e60a
> Cr-Commit-Position: refs/heads/master@{#40390}

Sorry about that. Thanks for the fix up.