[PATCH] Fix warnings when compiling with -DNDEBUG

[Howard Hinnant]

Committed revision 191148.

Thanks,
Howard

On Sep 17, 2013, at 10:10 PM, Peter Collingbourne <peter at pcc.me.uk> wrote:

> http://llvm-reviews.chandlerc.com/D1704
> 
> Files:
>  src/mutex.cpp
> 
> Index: src/mutex.cpp
> ===================================================================
> --- src/mutex.cpp
> +++ src/mutex.cpp
> @@ -42,6 +42,7 @@
> mutex::unlock() _NOEXCEPT
> {
>     int ec = pthread_mutex_unlock(&__m_);
> +    (void)ec;
>     assert(ec == 0);
> }
> 
> @@ -79,6 +80,7 @@
> recursive_mutex::~recursive_mutex()
> {
>     int e = pthread_mutex_destroy(&__m_);
> +    (void)e;
>     assert(e == 0);
> }
> 
> @@ -94,6 +96,7 @@
> recursive_mutex::unlock() _NOEXCEPT
> {
>     int e = pthread_mutex_unlock(&__m_);
> +    (void)e;
>     assert(e == 0);
> }
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