Revert r8309 "ARM: Clean up literal pool generation." because of crashes.

src/arm/macro-assembler-arm.cc

Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index 857c2bf7706488a87c9ccd713f25454c40c56e85..6dc32fe0950dd155f79388a44bee5af2c86fc70b 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -393,6 +393,20 @@ void MacroAssembler::Usat(Register dst, int satpos, const Operand& src,
 }
 
 
+void MacroAssembler::SmiJumpTable(Register index, Vector<Label*> targets) {
+  // Empty the const pool.
+  CheckConstPool(true, true);
+  add(pc, pc, Operand(index,
+                      LSL,
+                      Instruction::kInstrSizeLog2 - kSmiTagSize));
+  BlockConstPoolBefore(pc_offset() + (targets.length() + 1) * kInstrSize);
+  nop();  // Jump table alignment.
+  for (int i = 0; i < targets.length(); i++) {
+    b(targets[i]);
+  }
+}
+
+
 void MacroAssembler::LoadRoot(Register destination,
                               Heap::RootListIndex index,
                               Condition cond) {