From: Bill Wendling <isanbard@gmail.com>
Date: Tue, 7 Feb 2012 09:05:34 +0000 (+0000)
Subject: Reserve a moderate amount of space for the back-end arguments.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9085030171299809be4076f0ceb5b6e8add908da;p=clang

Reserve a moderate amount of space for the back-end arguments.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149973 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/BackendUtil.cpp b/lib/CodeGen/BackendUtil.cpp
index 1cbc69b03b..1707ec5ea5 100644
--- a/lib/CodeGen/BackendUtil.cpp
+++ b/lib/CodeGen/BackendUtil.cpp
@@ -247,6 +247,7 @@ bool EmitAssemblyHelper::AddEmitPasses(BackendAction Action,
   }
 
   std::vector<const char *> BackendArgs;
+  BackendArgs.reserve(16);
   BackendArgs.push_back("clang"); // Fake program name.
   if (!CodeGenOpts.DebugPass.empty()) {
     BackendArgs.push_back("-debug-pass");