Revert of Use weak cells in map checks in polymorphic ICs.

Revert of Use weak cells in map checks in polymorphic ICs. (patchset #8 id:140001 of https://codereview.chromium.org/753993003/)

Reason for revert:
[Sheriff] Speculative revert for breaking chromium asan (roll blocker):
http://build.chromium.org/p/client.v8/builders/Linux%20ASan%20LSan%20Tests%20%281%29/builds/1683

Original issue's description:
> Use weak cells in map checks in polymorphic ICs.
> 
> BUG=v8:3663
> LOG=N

TBR=mvstanton@chromium.org,akos.palfi@imgtec.com,weiliang.lin@intel.com,ulan@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=v8:3663

[Michael Achenbach, 2014-12-02 08:13:20]

Created Revert of Use weak cells in map checks in polymorphic ICs.

[commit-bot: I haz the power, 2014-12-02 08:13:23]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/771033003/1

[commit-bot: I haz the power, 2014-12-02 08:13:37]

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

[commit-bot: I haz the power, 2014-12-02 08:13:38]

Failed to apply patch for src/mips/macro-assembler-mips.cc:
While running git apply --index -3 -p1;
  error: patch failed: src/mips/macro-assembler-mips.cc:4021
  Falling back to three-way merge...
  Applied patch to 'src/mips/macro-assembler-mips.cc' with conflicts.
  U src/mips/macro-assembler-mips.cc

Patch:       src/mips/macro-assembler-mips.cc
Index: src/mips/macro-assembler-mips.cc
diff --git a/src/mips/macro-assembler-mips.cc b/src/mips/macro-assembler-mips.cc
index
2a5ea1adc5314f4ff6ba421f02f8014e5134bb8e..5cc505d1679177a1054a173708457f018e7f2d10
100644
--- a/src/mips/macro-assembler-mips.cc
+++ b/src/mips/macro-assembler-mips.cc
@@ -4021,22 +4021,6 @@
 }
 
 
-void MacroAssembler::CmpWeakValue(Register match, Register value,
-                                  Handle<WeakCell> cell) {
-  li(match, Operand(cell));
-  lw(match, FieldMemOperand(match, WeakCell::kValueOffset));
-  Subu(match, value, match);
-}
-
-
-void MacroAssembler::LoadWeakValue(Register value, Handle<WeakCell> cell,
-                                   Label* miss) {
-  li(value, Operand(cell));
-  lw(value, FieldMemOperand(value, WeakCell::kValueOffset));
-  JumpIfNotSmi(value, miss);
-}
-
-
 void MacroAssembler::MovFromFloatResult(DoubleRegister dst) {
   if (IsMipsSoftFloatABI) {
     if (kArchEndian == kLittle) {

[Michael Achenbach, 2014-12-02 08:15:52]

The CQ bit was checked by machenbach@chromium.org

[commit-bot: I haz the power, 2014-12-02 08:16:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/771033003/1

[commit-bot: I haz the power, 2014-12-02 08:16:51]

Committed patchset #1 (id:1)