https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68519

            Bug ID: 68519
           Summary: condition_variable::wait_for does not work properly
                    with float duration
           Product: gcc
           Version: 5.1.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: jbellon at bsc dot es
  Target Milestone: ---

Created attachment 36823
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36823&action=edit
preprocessed source file that reproduces the bug

If std::chrono::duration<float> is used as timeout datatype for
std::condition_variable::wait_for, then the thread, apparently, does not become
blocked.

Correct result is got by changing timeout type to
std::chrono::duration<double>.
Expected output:
{{{
Do something...
Do something...
Do something...
Do something...
Exit...
}}}

G++ version and configuration:
Usando especificaciones internas.
COLLECT_GCC=/bin/g++
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/5.1.1/lto-wrapper
Objetivo: x86_64-redhat-linux
Configurado con: ../configure --enable-bootstrap
--enable-languages=c,c++,objc,obj-c++,fortran,ada,go,lto --prefix=/usr
--mandir=/usr/share/man --infodir=/usr/share/info
--with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared
--enable-threads=posix --enable-checking=release --enable-multilib
--with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions
--enable-gnu-unique-object --enable-linker-build-id
--with-linker-hash-style=gnu --enable-plugin --enable-initfini-array
--disable-libgcj --with-default-libstdcxx-abi=c++98 --with-isl --enable-libmpx
--enable-gnu-indirect-function --with-tune=generic --with-arch_32=i686
--build=x86_64-redhat-linux
Modelo de hilos: posix
gcc versiĆ³n 5.1.1 20150618 (Red Hat 5.1.1-4) (GCC)

Note: installed in Fedora 22 using official repositories.

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