Fix issues with Arm's use of embedded constant pools

src/ia32/assembler-ia32.cc

Index: src/ia32/assembler-ia32.cc
diff --git a/src/ia32/assembler-ia32.cc b/src/ia32/assembler-ia32.cc
index 9066788b1f14924efc178954f4a66c9fb8d6e5f7..9242fc3e28d86d3e2c19296d085a346215bfc6d6 100644
--- a/src/ia32/assembler-ia32.cc
+++ b/src/ia32/assembler-ia32.cc
@@ -349,6 +349,14 @@ void Assembler::Align(int m) {
 }
 
 
+void Assembler::DataAlign(int m) {
+  DCHECK(m >= 2 && base::bits::IsPowerOfTwo32(m));
+  while ((pc_offset() & (m - 1)) != 0) {
+    db(0);
+  }
+}
+
+
 bool Assembler::IsNop(Address addr) {
   Address a = addr;
   while (*a == 0x66) a++;