PPC: Merge old data and pointer space.

src/ppc/macro-assembler-ppc.cc

Index: src/ppc/macro-assembler-ppc.cc
diff --git a/src/ppc/macro-assembler-ppc.cc b/src/ppc/macro-assembler-ppc.cc
index 60971096f00ca2f5ec5abb91a2c9e93ef21bc271..8a5929254aeb8be9fd5bcbe6d54ad5da63a8d04b 100644
--- a/src/ppc/macro-assembler-ppc.cc
+++ b/src/ppc/macro-assembler-ppc.cc
@@ -1381,7 +1381,6 @@ void MacroAssembler::Allocate(int object_size, Register result,
   if ((flags & DOUBLE_ALIGNMENT) != 0) {
     // Align the next allocation. Storing the filler map without checking top is
     // safe in new-space because the limit of the heap is aligned there.
-    DCHECK((flags & PRETENURE_OLD_POINTER_SPACE) == 0);
 #if V8_TARGET_ARCH_PPC64
     STATIC_ASSERT(kPointerAlignment == kDoubleAlignment);
 #else
@@ -1480,7 +1479,6 @@ void MacroAssembler::Allocate(Register object_size, Register result,
   if ((flags & DOUBLE_ALIGNMENT) != 0) {
     // Align the next allocation. Storing the filler map without checking top is
     // safe in new-space because the limit of the heap is aligned there.
-    DCHECK((flags & PRETENURE_OLD_POINTER_SPACE) == 0);
 #if V8_TARGET_ARCH_PPC64
     STATIC_ASSERT(kPointerAlignment == kDoubleAlignment);
 #else