Merge "Fix clang-tidy performance warnings."

This commit is contained in:
Treehugger Robot 2016-08-01 21:04:20 +00:00 committed by Gerrit Code Review
commit 240faf5ef0

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@ -92,7 +92,7 @@ debug_printf(const char* format, ...)
// Escape the filename so that it can be added to the makefile properly.
static string
escape_filename(const string name)
escape_filename(const string& name)
{
ostringstream new_name;
for (string::const_iterator iter = name.begin(); iter != name.end(); ++iter)