Add support for Embedded Constant Pools for PPC and Arm

src/ppc/lithium-codegen-ppc.cc

Index: src/ppc/lithium-codegen-ppc.cc
diff --git a/src/ppc/lithium-codegen-ppc.cc b/src/ppc/lithium-codegen-ppc.cc
index 11ea4bd0495bbb8ea76ac5655453c07dfceb7bd1..6db655e9c1f5936b9684bfc11273cf9666cee876 100644
--- a/src/ppc/lithium-codegen-ppc.cc
+++ b/src/ppc/lithium-codegen-ppc.cc
@@ -50,8 +50,12 @@ bool LCodeGen::GenerateCode() {
   // the frame (that is done in GeneratePrologue).
   FrameScope frame_scope(masm_, StackFrame::NONE);
 
-  return GeneratePrologue() && GenerateBody() && GenerateDeferredCode() &&
-         GenerateJumpTable() && GenerateSafepointTable();
+  bool rc = GeneratePrologue() && GenerateBody() && GenerateDeferredCode() &&
+            GenerateJumpTable() && GenerateSafepointTable();
+  if (FLAG_enable_embedded_constant_pool && !rc) {
+    masm()->AbortConstantPoolBuilding();
+  }
+  return rc;
 }