Fix FLAG_code_comments crash for WASM functions

BUG= Review-Url: https://codereview.chromium.org/2071753002 Cr-Commit-Position: refs/heads/master@{#37078}

Fix FLAG_code_comments crash for WASM functions
BUG= Review-Url: https://codereview.chromium.org/2071753002 Cr-Commit-Position: refs/heads/master@{#37078}
5c985733 · jing.bao · Commit bot · a17f3d24 · 5c985733
Commit 5c985733 authored Jun 19, 2016 by jing.bao Committed by Commit bot Jun 19, 2016
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code-generator.cc src/compiler/code-generator.cc +2 -1

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--- a/src/compiler/code-generator.cc
+++ b/src/compiler/code-generator.cc
@@ -401,8 +401,9 @@ void CodeGenerator::AssembleSourcePosition(Instruction* instr) {
  masm()->positions_recorder()->RecordPosition(code_pos);
  masm()->positions_recorder()->WriteRecordedPositions();
  if (FLAG_code_comments) {
-    Vector<char> buffer = Vector<char>::New(256);
    CompilationInfo* info = this->info();
+    if (!info->parse_info()) return;
+    Vector<char> buffer = Vector<char>::New(256);
    int ln = Script::GetLineNumber(info->script(), code_pos);
    int cn = Script::GetColumnNumber(info->script(), code_pos);
    if (info->script()->name()->IsString()) {