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Fix clang-tidy performance warnings. 

* Use const reference parameter type to avoid unnecessary copy.

Bug: 30407689
Change-Id: Iefab05c077367f272abf545036b853e8a295c8cd
Test: build with WITH_TIDY=1
This commit is contained in:
Chih-Hung Hsieh 2016-07-27 10:28:33 -07:00
parent 620ce44a7a
commit 6c083acf2a
1 changed files with 1 additions and 1 deletions
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2
tools/atree/atree.cpp
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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)