[turbofan] reduce allocations outside of pipeline

src/compiler/arm64/code-generator-arm64.cc

Index: src/compiler/arm64/code-generator-arm64.cc
diff --git a/src/compiler/arm64/code-generator-arm64.cc b/src/compiler/arm64/code-generator-arm64.cc
index 04acfb8aa634fece924544cb51adce072271007e..c3a4f408568716f2ffb0b0fefe3ece17ec6e10cb 100644
--- a/src/compiler/arm64/code-generator-arm64.cc
+++ b/src/compiler/arm64/code-generator-arm64.cc
@@ -752,7 +752,7 @@ void CodeGenerator::AssemblePrologue() {
     __ PushCalleeSavedRegisters();
     frame()->SetRegisterSaveAreaSize(20 * kPointerSize);
   } else if (descriptor->IsJSFunctionCall()) {
-    CompilationInfo* info = linkage()->info();
+    CompilationInfo* info = this->info();
     __ SetStackPointer(jssp);
     __ Prologue(info->IsCodePreAgingActive());
     frame()->SetRegisterSaveAreaSize(
@@ -967,7 +967,7 @@ void CodeGenerator::AddNopForSmiCodeInlining() { __ movz(xzr, 0); }
 
 void CodeGenerator::EnsureSpaceForLazyDeopt() {
   int space_needed = Deoptimizer::patch_size();
-  if (!linkage()->info()->IsStub()) {
+  if (!info()->IsStub()) {
     // Ensure that we have enough space after the previous lazy-bailout
     // instruction for patching the code here.
     intptr_t current_pc = masm()->pc_offset();