[turbofan] reduce allocations outside of pipeline

src/compiler/ia32/code-generator-ia32.cc

Index: src/compiler/ia32/code-generator-ia32.cc
diff --git a/src/compiler/ia32/code-generator-ia32.cc b/src/compiler/ia32/code-generator-ia32.cc
index 87d8c1813012fb80c66bfa9d58910b1b1fbb6220..d7098ae8dc7d3d5aa686622044747f018ed35bfe 100644
--- a/src/compiler/ia32/code-generator-ia32.cc
+++ b/src/compiler/ia32/code-generator-ia32.cc
@@ -793,7 +793,7 @@ void CodeGenerator::AssemblePrologue() {
       frame->SetRegisterSaveAreaSize(register_save_area_size);
     }
   } else if (descriptor->IsJSFunctionCall()) {
-    CompilationInfo* info = linkage()->info();
+    CompilationInfo* info = this->info();
     __ Prologue(info->IsCodePreAgingActive());
     frame->SetRegisterSaveAreaSize(
         StandardFrameConstants::kFixedFrameSizeFromFp);
@@ -1023,7 +1023,7 @@ void CodeGenerator::AddNopForSmiCodeInlining() { __ nop(); }
 
 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.
     int current_pc = masm()->pc_offset();