Merge bleeding edge up to 9192 into the GC branch.

src/ia32/macro-assembler-ia32.h

Index: src/ia32/macro-assembler-ia32.h
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index 49ca47b00866b31cb824060cf66056e1396f9265..dffb5b0e66de76d19160552bc2f80b9f9d9b4541 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -369,8 +369,8 @@ class MacroAssembler: public Assembler {
 
   // Smi tagging support.
   void SmiTag(Register reg) {
-    ASSERT(kSmiTag == 0);
-    ASSERT(kSmiTagSize == 1);
+    STATIC_ASSERT(kSmiTag == 0);
+    STATIC_ASSERT(kSmiTagSize == 1);
     add(reg, Operand(reg));
   }
   void SmiUntag(Register reg) {
@@ -379,9 +379,9 @@ class MacroAssembler: public Assembler {
 
   // Modifies the register even if it does not contain a Smi!
   void SmiUntag(Register reg, Label* is_smi) {
-    ASSERT(kSmiTagSize == 1);
+    STATIC_ASSERT(kSmiTagSize == 1);
     sar(reg, kSmiTagSize);
-    ASSERT(kSmiTag == 0);
+    STATIC_ASSERT(kSmiTag == 0);
     j(not_carry, is_smi);
   }
 
@@ -531,7 +531,7 @@ class MacroAssembler: public Assembler {
 
   // Allocate a raw cons string object. Only the map field of the result is
   // initialized.
-  void AllocateConsString(Register result,
+  void AllocateTwoByteConsString(Register result,
                           Register scratch1,
                           Register scratch2,
                           Label* gc_required);
@@ -540,6 +540,17 @@ class MacroAssembler: public Assembler {
                                Register scratch2,
                                Label* gc_required);
 
+  // Allocate a raw sliced string object. Only the map field of the result is
+  // initialized.
+  void AllocateTwoByteSlicedString(Register result,
+                            Register scratch1,
+                            Register scratch2,
+                            Label* gc_required);
+  void AllocateAsciiSlicedString(Register result,
+                                 Register scratch1,
+                                 Register scratch2,
+                                 Label* gc_required);
+
   // Copy memory, byte-by-byte, from source to destination.  Not optimized for
   // long or aligned copies.
   // The contents of index and scratch are destroyed.