ARM64: block veneer pool in InstructionAccurateScope.

TEST=mozilla/ecma_3/RegExp/regress-169497
TBR=alexandre.rames@arm.com

Review URL: https://codereview.chromium.org/211323003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20255 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm64/macro-assembler-arm64.h

@@ -2157,8 +2157,9 @@ class InstructionAccurateScope BASE_EMBEDDED {
   {
     // Before blocking the const pool, see if it needs to be emitted.
     masm_->CheckConstPool(false, true);
+    masm_->CheckVeneerPool(false, true);
 
-    masm_->StartBlockConstPool();
+    masm_->StartBlockPools();
 #ifdef DEBUG
     if (count != 0) {
       masm_->bind(&start_);
@@ -2169,7 +2170,7 @@ class InstructionAccurateScope BASE_EMBEDDED {
   }
 
   ~InstructionAccurateScope() {
-    masm_->EndBlockConstPool();
+    masm_->EndBlockPools();
 #ifdef DEBUG
     if (start_.is_bound()) {
       ASSERT(masm_->SizeOfCodeGeneratedSince(&start_) == size_);