Revert of Version 4.4.63.20 (cherry-pick)

src/arm/assembler-arm.h

Index: src/arm/assembler-arm.h
diff --git a/src/arm/assembler-arm.h b/src/arm/assembler-arm.h
index 2241572fcea13015776c01015ebd3cb71210aed7..836ff4f3d02f089aa5206a8f26fabed93d389d36 100644
--- a/src/arm/assembler-arm.h
+++ b/src/arm/assembler-arm.h
@@ -746,7 +746,7 @@
   // Returns the branch offset to the given label from the current code position
   // Links the label to the current position if it is still unbound
   // Manages the jump elimination optimization if the second parameter is true.
-  int branch_offset(Label* L);
+  int branch_offset(Label* L, bool jump_elimination_allowed);
 
   // Returns true if the given pc address is the start of a constant pool load
   // instruction sequence.
@@ -852,11 +852,13 @@
   void bx(Register target, Condition cond = al);  // v5 and above, plus v4t
 
   // Convenience branch instructions using labels
-  void b(Label* L, Condition cond = al);
-  void b(Condition cond, Label* L) { b(L, cond); }
-  void bl(Label* L, Condition cond = al);
-  void bl(Condition cond, Label* L) { bl(L, cond); }
-  void blx(Label* L);  // v5 and above
+  void b(Label* L, Condition cond = al)  {
+    b(branch_offset(L, cond == al), cond);
+  }
+  void b(Condition cond, Label* L)  { b(branch_offset(L, cond == al), cond); }
+  void bl(Label* L, Condition cond = al)  { bl(branch_offset(L, false), cond); }
+  void bl(Condition cond, Label* L)  { bl(branch_offset(L, false), cond); }
+  void blx(Label* L)  { blx(branch_offset(L, false)); }  // v5 and above
 
   // Data-processing instructions
 
@@ -1534,18 +1536,11 @@
   // Check if is time to emit a constant pool.
   void CheckConstPool(bool force_emit, bool require_jump);
 
-  void MaybeCheckConstPool() {
-    if (pc_offset() >= next_buffer_check_) {
-      CheckConstPool(false, true);
-    }
-  }
-
   // Allocate a constant pool of the correct size for the generated code.
   Handle<ConstantPoolArray> NewConstantPool(Isolate* isolate);
 
   // Generate the constant pool for the generated code.
   void PopulateConstantPool(ConstantPoolArray* constant_pool);
-
 
   bool use_extended_constant_pool() const {
     return constant_pool_builder_.current_section() ==