Index: src/libstring/libstring.vcxproj
===================================================================
diff -u -r45a7e805257e38e2158afdfae64ead288e9d945b -r49869c22052117465b59dc527b3393ab771d50f6
--- src/libstring/libstring.vcxproj	(.../libstring.vcxproj)	(revision 45a7e805257e38e2158afdfae64ead288e9d945b)
+++ src/libstring/libstring.vcxproj	(.../libstring.vcxproj)	(revision 49869c22052117465b59dc527b3393ab771d50f6)
@@ -362,6 +362,7 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <TargetMachine>MachineX86</TargetMachine>
       <AdditionalLibraryDirectories>"$(OutDir)"</AdditionalLibraryDirectories>
+      <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Testing Release|Win32'">
@@ -393,6 +394,7 @@
       <TargetMachine>MachineX86</TargetMachine>
       <AdditionalDependencies>gmock-static-crt32.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalLibraryDirectories>"$(OutDir)"</AdditionalLibraryDirectories>
+      <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
     </Link>
     <PostBuildEvent>
       <Command>cd "$(TargetDir)"
@@ -442,6 +444,7 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <TargetMachine>MachineX64</TargetMachine>
       <AdditionalLibraryDirectories>"$(OutDir)"</AdditionalLibraryDirectories>
+      <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Testing Release|x64'">
@@ -476,6 +479,7 @@
       <TargetMachine>MachineX64</TargetMachine>
       <AdditionalDependencies>gmock-static-crt64.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalLibraryDirectories>"$(OutDir)"</AdditionalLibraryDirectories>
+      <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
     </Link>
     <PostBuildEvent>
       <Command>cd "$(TargetDir)"