A64: Force emission of the veneer pool emission when required.

src/a64/lithium-codegen-a64.cc

Index: src/a64/lithium-codegen-a64.cc
diff --git a/src/a64/lithium-codegen-a64.cc b/src/a64/lithium-codegen-a64.cc
index 0bb420cf590a83f799d0225af6866643f9aa32ab..23d2848c7c7fbe64f59511e5d15de71372490a31 100644
--- a/src/a64/lithium-codegen-a64.cc
+++ b/src/a64/lithium-codegen-a64.cc
@@ -895,6 +895,9 @@ bool LCodeGen::GenerateDeoptJumpTable() {
 
 bool LCodeGen::GenerateSafepointTable() {
   ASSERT(is_done());
+  // We do not know how much data will be emitted for the safepoint table, so
+  // force emission of the veneer pool.
+  masm()->CheckVeneerPool(true, true);
   safepoints_.Emit(masm(), GetStackSlotCount());
   return !is_aborted();
 }